* replaced the vector classes with a generic one
* fixed wrong member protection in Rect + override for DrawableImpl methods git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1537 4e206d99-4929-0410-ac5d-dfc041789085
This commit is contained in:
parent
7500786896
commit
42615a30d9
@ -27,7 +27,7 @@
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module dsfml.audio.listener;
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import dsfml.system.common;
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import dsfml.system.vector3;
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import dsfml.system.vector;
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/**
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* Listener is a global interface for defining the audio
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@ -31,7 +31,7 @@ import dsfml.audio.soundsource;
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import dsfml.system.common;
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import dsfml.system.exception;
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import dsfml.system.stringutil;
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import dsfml.system.vector3;
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import dsfml.system.vector;
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/**
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* Music defines a big sound played using streaming,
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@ -31,7 +31,7 @@ import dsfml.audio.soundsource;
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import dsfml.system.common;
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import dsfml.system.exception;
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import dsfml.system.vector3;
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import dsfml.system.vector;
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/**
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* Sound defines the properties of the sound such as position,
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@ -25,7 +25,7 @@
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module dsfml.audio.soundsource;
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import dsfml.system.vector3;
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import dsfml.system.vector;
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import dsfml.system.common;
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@ -28,7 +28,7 @@ module dsfml.audio.soundstream;
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import dsfml.system.alloc;
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import dsfml.system.common;
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import dsfml.system.vector3;
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import dsfml.system.vector;
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import dsfml.system.linkedlist;
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import dsfml.system.lock;
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@ -27,7 +27,7 @@
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module dsfml.graphics.drawableimpl;
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public import dsfml.system.common;
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import dsfml.system.vector2;
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import dsfml.system.vector;
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import dsfml.graphics.irendertarget;
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import dsfml.graphics.idrawable,
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@ -61,148 +61,146 @@ protected:
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}
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public:
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void rotate(float angle)
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override void rotate(float angle)
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{
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sfDrawable_Rotate(m_ptr, angle);
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}
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void move(float offsetX, float offsetY)
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override void move(float offsetX, float offsetY)
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{
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sfDrawable_Move(m_ptr, offsetX, offsetY);
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}
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void move(Vector2f offset)
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override void move(Vector2f offset)
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{
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sfDrawable_Move(m_ptr, offset.x, offset.y);
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}
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Vector2f tranformToLocal(Vector2f point)
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override Vector2f transformToLocal(Vector2f point) const
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{
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Vector2f ret;
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sfDrawable_TransformToLocal(m_ptr, point.x, point.y, &ret.x, &ret.y);
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return ret;
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}
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Vector2f tranformToGlobal(Vector2f point)
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override Vector2f transformToGlobal(Vector2f point) const
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{
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Vector2f ret;
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sfDrawable_TransformToLocal(m_ptr, point.x, point.y, &ret.x, &ret.y);
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return ret;
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}
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void render(IRenderTarget window)
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override void render(IRenderTarget window)
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{
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sfRenderWindow_DrawThis((cast(DSFMLObject)window).nativePointer, m_ptr);
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}
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void renderWithShader(IRenderTarget window, Shader shader)
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override void renderWithShader(IRenderTarget window, Shader shader)
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{
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sfRenderWindow_DrawThisWithShader((cast(DSFMLObject)window).nativePointer, m_ptr, shader.nativePointer);
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}
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void setPosition(float x, float y)
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override void setPosition(float x, float y)
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{
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sfDrawable_SetPosition(m_ptr, x, y);
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}
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void setScale(float scaleX, float scaleY)
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override void setScale(float scaleX, float scaleY)
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{
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sfDrawable_SetScale(m_ptr, scaleX, scaleY);
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}
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void setOrigin(float originX, float originY)
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override void setOrigin(float originX, float originY)
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{
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sfDrawable_SetOrigin(m_ptr, originX, originY);
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}
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@property
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{
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void x(float x)
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override void x(float x)
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{
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sfDrawable_SetX(m_ptr, x);
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}
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void y(float y)
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override void y(float y)
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{
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sfDrawable_SetY(m_ptr, y);
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}
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void position(Vector2f vec)
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override void position(Vector2f vec)
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{
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sfDrawable_SetPosition(m_ptr, vec.x, vec.y);
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}
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void scaleX(float scale)
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override void scaleX(float scale)
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{
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if (scale > 0)
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sfDrawable_SetScaleX(m_ptr, scale);
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}
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void scaleY(float scale)
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override void scaleY(float scale)
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{
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if (scale > 0)
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sfDrawable_SetScaleY(m_ptr, scale);
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}
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void scale(Vector2f scale)
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override void scale(Vector2f scale)
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{
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if (scale.x > 0 && scale.y > 0)
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sfDrawable_SetScale(m_ptr, scale.x, scale.y);
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}
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void origin(Vector2f origin)
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override void origin(Vector2f origin)
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{
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sfDrawable_SetOrigin(m_ptr, origin.x, origin.y);
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}
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void rotation(float angle)
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override void rotation(float angle)
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{
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sfDrawable_SetRotation(m_ptr, angle);
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}
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void color(Color c)
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override void color(Color c)
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{
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sfDrawable_SetColor(m_ptr, c);
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}
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void blendMode(BlendMode mode)
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override void blendMode(BlendMode mode)
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{
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sfDrawable_SetBlendMode(m_ptr, mode);
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}
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Vector2f position()
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override Vector2f position() const
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{
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return Vector2f(sfDrawable_GetX(m_ptr), sfDrawable_GetY(m_ptr));
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}
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Vector2f scale()
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override Vector2f scale() const
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{
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return Vector2f(sfDrawable_GetScaleX(m_ptr), sfDrawable_GetScaleY(m_ptr));
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}
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Vector2f origin()
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override Vector2f origin() const
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{
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return Vector2f(sfDrawable_GetOriginX(m_ptr), sfDrawable_GetOriginY(m_ptr));
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}
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float rotation()
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override float rotation() const
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{
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return sfDrawable_GetRotation(m_ptr);
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}
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Color color()
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override Color color() const
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{
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return sfDrawable_GetColor(m_ptr);
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}
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BlendMode blendMode()
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override BlendMode blendMode() const
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{
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return cast(BlendMode)(sfDrawable_GetBlendMode(m_ptr));
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}
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void scale(Vector2f scale)
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override void scale(Vector2f scale)
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{
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sfDrawable_SetScale(m_ptr, scale.x, scale.y);
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}
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@ -26,7 +26,7 @@
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module dsfml.graphics.idrawable;
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import dsfml.system.vector2;
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import dsfml.system.vector;
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import dsfml.graphics.irendertarget;
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import dsfml.graphics.color,
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@ -60,7 +60,7 @@ interface IDrawable
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* scaleY = New vertical scale > 0
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*/
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void setScale(float scalex, float scaley);
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// in {assert(scalex > 0 && scalex > 0);} // TODO: add in again when interface contracts work
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// in {assert(scalex > 0 && scalex > 0);} // TODO: add in again when interface contracts work
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/**
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* Set the origin of the object, in coordinates relative to the
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@ -160,6 +160,8 @@ interface IDrawable
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*/
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void blendMode(BlendMode mode);
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const
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{
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/**
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* Get the position of the object
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*
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@ -209,7 +211,8 @@ interface IDrawable
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* Current blending mode
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*/
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BlendMode blendMode();
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}
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} // const
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} // @property
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/**
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* Rotate the object
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@ -249,7 +252,7 @@ interface IDrawable
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* Returns:
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* Transformed point
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*/
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Vector2f tranformToLocal(Vector2f point);
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Vector2f tranformToLocal(Vector2f point) const;
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/**
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* Transform a point from local coordinates into global coordinates
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@ -261,7 +264,7 @@ interface IDrawable
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* Returns:
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* Transformed point
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*/
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Vector2f tranformToGlobal(Vector2f point);
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Vector2f tranformToGlobal(Vector2f point) const;
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/**
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* Render the specific geometry of the object
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@ -25,7 +25,7 @@
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module dsfml.graphics.irendertarget;
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import dsfml.system.vector2;
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import dsfml.system.vector;
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import dsfml.graphics.idrawable;
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import dsfml.graphics.rect;
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import dsfml.graphics.shader;
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*/
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struct Rect(T)
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{
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private:
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T left; // Left coordinate of the rectangle
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T top; // Top coordinate of the rectangle
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T width; // width
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T height; // height
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public:
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static if (!isIntegerType!(T) && !isRealType!(T))
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{
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static assert (0, "This type is not supported by Rectangle");
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@ -29,7 +29,7 @@ module dsfml.graphics.renderimage;
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import dsfml.system.common,
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dsfml.system.exception,
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dsfml.system.stringutil,
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dsfml.system.vector2;
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dsfml.system.vector;
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import dsfml.graphics.idrawable,
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dsfml.graphics.image,
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@ -44,7 +44,7 @@ import dsfml.window.event,
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import dsfml.system.common,
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dsfml.system.stringutil,
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dsfml.system.vector2;
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dsfml.system.vector;
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/**
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* Simple wrapper for Window that allows easy 2D rendering.
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@ -26,7 +26,7 @@
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module dsfml.graphics.shape;
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import dsfml.system.vector2;
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import dsfml.system.vector;
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import dsfml.graphics.blendmode;
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import dsfml.graphics.color;
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@ -32,7 +32,7 @@ import dsfml.graphics.drawableimpl;
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import dsfml.graphics.image;
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import dsfml.graphics.rect;
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import dsfml.system.vector2;
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import dsfml.system.vector;
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/**
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* Sprite defines a sprite : texture, transformations,
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@ -160,7 +160,7 @@ public:
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* Returns:
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* Color of pixel
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*/
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Color getPixel(uint x, uint y)
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Color getPixel(uint x, uint y) const
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{
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return sfSprite_GetPixel(m_ptr, x, y);
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}
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@ -211,7 +211,7 @@ public:
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* Returns:
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* Size of the sprite
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*/
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Vector2f size()
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Vector2f size() const
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{
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return Vector2f(sfSprite_GetWidth(m_ptr), sfSprite_GetHeight(m_ptr));
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}
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@ -226,7 +226,7 @@ private:
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void function(SFMLClass, float, float) sfSprite_Resize;
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void function(SFMLClass, int) sfSprite_FlipX;
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void function(SFMLClass, int) sfSprite_FlipY;
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SFMLClass function(SFMLClass) sfSprite_GetImage;
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SFMLClass function(SFMLClass) sfSprite_GetImage;
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IntRect function(SFMLClass) sfSprite_GetSubRect;
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float function(SFMLClass) sfSprite_GetWidth;
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float function(SFMLClass) sfSprite_GetHeight;
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|
@ -33,7 +33,7 @@ import dsfml.graphics.drawableimpl;
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import dsfml.graphics.rect;
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import dsfml.system.stringutil;
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import dsfml.system.vector2;
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import dsfml.system.vector;
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/**
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@ -29,7 +29,7 @@ module dsfml.graphics.view;
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import dsfml.graphics.rect;
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import dsfml.system.common,
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dsfml.system.vector2;
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dsfml.system.vector;
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/**
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* This class defines a view (position, size and zoom) ;
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|
@ -44,5 +44,4 @@ version (darwin)
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public import
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dsfml.system.lock,
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dsfml.system.vector2,
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dsfml.system.vector3;
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dsfml.system.vector;
|
437
DSFML/import/dsfml/system/vector.d
Normal file
437
DSFML/import/dsfml/system/vector.d
Normal file
@ -0,0 +1,437 @@
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/*
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* DSFML - SFML Library wrapper for the D programming language.
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* Copyright (C) 2010 Andreas Hollandt
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*
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* This software is provided 'as-is', without any express or
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* implied warranty. In no event will the authors be held
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* liable for any damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute
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* it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented;
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* you must not claim that you wrote the original software.
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* If you use this software in a product, an acknowledgment
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* in the product documentation would be appreciated but
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||||
* is not required.
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*
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* 2. Altered source versions must be plainly marked as such,
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* and must not be misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any
|
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* source distribution.
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*/
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module dsfml.system.vector;
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import std.conv;
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import std.math;
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import std.traits : isFloatingPoint;
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import std.typetuple;
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/**
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* generic fixed-size Vector struct
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*
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* Params:
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* T = element type
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* dim = vector dimension
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*/
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struct Vector(T, int dim)
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{
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static assert (dim >= 2 && dim <= 4);
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// vectors of 3 floats are extended to 4 to make it possible to use SSE optimizations
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private const realdim = (is(T == float) && dim == 3 && sseAvailable) ? 4 : dim;
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// vectors of (3)4 floats or 2 doubles will use SSE
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private const bool useSSE = (is(T == float) && realdim == 4 /* || is(T == double) && dim == 2 */ ) && sseAvailable;
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private alias LengthReturnType!(T) LengthType; // the type returned by length
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union
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{
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/// normal struct element access
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||||
struct
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||||
{
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static if (dim >= 1) T x;
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static if (dim >= 2) T y;
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||||
static if (dim >= 3) T z;
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static if (dim >= 4) T w;
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}
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struct
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||||
{
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static if (dim >= 1) T r;
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static if (dim >= 2) T g;
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static if (dim >= 3) T b;
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static if (dim >= 4) T a;
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}
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// only the array has the hidden 4th value in case of vec3f
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||||
// this is to be able to foreach over tuple without computing w unnecessarily
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T[realdim] cell; /// array access
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Repeat!(T, dim) tuple; /// for tuple access
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}
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||||
// zero vectors
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static if (2 == dim) const static Vector zero = Vector(0, 0);
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static if (3 == dim) const static Vector zero = Vector(0, 0, 0);
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static if (4 == dim) const static Vector zero = Vector(0, 0, 0, 0);
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static if (2 == dim) const static Vector one = Vector(1, 1);
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static if (3 == dim) const static Vector one = Vector(1, 1, 1);
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static if (4 == dim) const static Vector one = Vector(1, 1, 1, 1);
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static if (2 == dim) const static Vector unitX = Vector(1, 0);
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static if (3 == dim) const static Vector unitX = Vector(1, 0, 0);
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static if (4 == dim) const static Vector unitX = Vector(1, 0, 0, 0);
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static if (2 == dim) const static Vector unitY = Vector(0, 1);
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static if (3 == dim) const static Vector unitY = Vector(0, 1, 0);
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static if (4 == dim) const static Vector unitY = Vector(0, 1, 0, 0);
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||||
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||||
static if (3 == dim) const static Vector unitZ = Vector(0, 0, 1);
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||||
static if (4 == dim) const static Vector unitZ = Vector(0, 0, 1, 0);
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||||
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static if (4 == dim) const static Vector unitW = Vector(0, 0, 0, 1);
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||||
|
||||
|
||||
/// ensure that no component is a NaN
|
||||
invariant()
|
||||
{
|
||||
assert(isValid());
|
||||
}
|
||||
|
||||
// checks if the elements aren't NaNs
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||||
private bool isValid() const
|
||||
{
|
||||
static if (dim >= 1) if (isNaN(x)) return false;
|
||||
static if (dim >= 2) if (isNaN(y)) return false;
|
||||
static if (dim >= 3) if (isNaN(z)) return false;
|
||||
static if (dim >= 4) if (isNaN(w)) return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
/************************************************************************************
|
||||
* Operator overloading
|
||||
***********************************************************************************/
|
||||
|
||||
/// negate the vector
|
||||
Vector opUnary(string op : "-")()
|
||||
{
|
||||
static if (dim == 2) return Vector(-x, -y);
|
||||
else static if (dim == 3) return Vector(-x, -y, -z);
|
||||
else static if (dim == 4) return Vector(-x, -y, -z, -w);
|
||||
}
|
||||
|
||||
/// dot product
|
||||
T opBinary(string op : "*")(typeof(this) v)
|
||||
if (is(typeof(T+T)) && is(typeof(T*T)))
|
||||
{
|
||||
static if (dim == 2) return x*v.x + y*v.y;
|
||||
else static if (dim == 3) return x*v.x + y*v.y + z*v.z;
|
||||
else static if (dim == 4) return x*v.x + y*v.y + z*v.z + w*v.w;
|
||||
}
|
||||
|
||||
/// element-wise operations, +, -,
|
||||
Vector opBinary(string op, U:typeof(this))(U v)
|
||||
// check if the operation is supported on the type T
|
||||
if (op != "*" && (op == "+" && is(typeof(T+T)) || op == "-" && is(typeof(T-T)) || op == "*" && is(typeof(T*T))
|
||||
|| op == "/" && is(typeof(T/T)) || op == "%" && is(typeof(T%T))))
|
||||
{
|
||||
Vector res = void;
|
||||
foreach (i, x; tuple)
|
||||
mixin("res.tuple[i] = tuple[i] " ~ op ~ " v.tuple[i];");
|
||||
return res;
|
||||
}
|
||||
|
||||
/// operations with a scalar
|
||||
typeof(this) opBinary(string op)(T s)
|
||||
{
|
||||
Vector res = void;
|
||||
foreach(i, x; tuple)
|
||||
mixin("res.tuple[i] = tuple[i] " ~ op ~ " s;");
|
||||
return res;
|
||||
}
|
||||
|
||||
/// element-wise assign operations, +=, -=, ...
|
||||
Vector opOpAssign(string op, U:Vector)(U v)
|
||||
{
|
||||
foreach (i, _; tuple)
|
||||
mixin("tuple[i] " ~ op ~ "= v.tuple[i];");
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
/// (*=) overload
|
||||
Vector opOpAssign(string op)(T s)
|
||||
{
|
||||
foreach (i, _; tuple)
|
||||
mixin("tuple[i] " ~ op ~ "= s;");
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
/// return length*length
|
||||
@property LengthType sqLength()
|
||||
{
|
||||
static if (2 == dim) return (x * x + y * y);
|
||||
else static if (3 == dim) return (x * x + y * y + z * z);
|
||||
else static if (4 == dim) return (x * x + y * y + z * z + w * w);
|
||||
else static assert (false);
|
||||
}
|
||||
|
||||
/// return the vector length
|
||||
@property LengthType length()
|
||||
{
|
||||
static if (useSSE)
|
||||
{
|
||||
static if (is(t == float) && dim == 3) // make sure that w is 0
|
||||
assert(w == 0);
|
||||
|
||||
float res;
|
||||
|
||||
auto p = cell.ptr;
|
||||
asm
|
||||
{
|
||||
// movups XMM0, &cell;
|
||||
mov EAX, p;
|
||||
movups XMM0, [EAX];
|
||||
mulps XMM0, XMM0; // v0 = vec(x*x, y*y, z*z, w*w)
|
||||
movaps XMM1, XMM0; // v1 = v0
|
||||
shufps XMM0, XMM1, 0x4e; // v0 = vec(z*z, w*w, x*x, y*y)
|
||||
addps XMM0, XMM1; // v0 = vec(x*x + z*z, y*y + w*w, z*z + x*x, w*w + y*y)
|
||||
movaps XMM1, XMM0; // v1 = v0
|
||||
shufps XMM1, XMM1, 0x11; // v1 = vec(w*w + y*y, z*z + x*x, w*w + y*y, z*z + x*x)
|
||||
addps XMM0, XMM1; // v0 = |vec|^2 at all 4 positions
|
||||
rsqrtss XMM0, XMM0; // v0 = 1/sqrt(v0)
|
||||
rcpss XMM0, XMM0; // v= = 1/v0
|
||||
movss res, XMM0;
|
||||
}
|
||||
return res;
|
||||
}
|
||||
else
|
||||
{
|
||||
// compute squared length
|
||||
auto ret = sqLength();
|
||||
|
||||
// compute sqrt
|
||||
version(useFastSqrt)
|
||||
{
|
||||
static if (is(T == float))
|
||||
return fastSqrt(ret);
|
||||
}
|
||||
return sqrt(ret);
|
||||
}
|
||||
}
|
||||
|
||||
void normalize()
|
||||
{
|
||||
static if (useSSE)
|
||||
{
|
||||
static if (is(t == float) && dim == 3) // make sure that w is 0
|
||||
assert (w == 0, "vector component w isn't 0!");
|
||||
|
||||
auto p = cell.ptr;
|
||||
asm
|
||||
{
|
||||
mov EAX, p;
|
||||
movups XMM0, [EAX];
|
||||
movaps XMM2, XMM0; // save it for later
|
||||
|
||||
mulps XMM0, XMM0; // v0 = vec(x*x, y*y, z*z, w*w)
|
||||
movaps XMM1, XMM0; // v1 = v0
|
||||
shufps XMM0, XMM1, 0x4e; // v0 = vec(z*z, w*w, x*x, y*y)
|
||||
addps XMM0, XMM1; // v0 = vec(x*x + z*z, y*y + w*w, z*z + x*x, w*w + y*y)
|
||||
movaps XMM1, XMM0; // v1 = v0
|
||||
shufps XMM1, XMM1, 0x11; // v1 = vec(w*w + y*y, z*z + x*x, w*w + y*y, z*z + x*x)
|
||||
addps XMM0, XMM1; // v0 = |vec|^2 at all 4 positions
|
||||
rsqrtps XMM0, XMM0; // v0 = 1/sqrt(v0)
|
||||
mulps XMM2, XMM0; // v2 = vec * v0
|
||||
|
||||
movups [EAX], XMM0;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
auto len = length();
|
||||
foreach(i, _; tuple) // bug 2411 workaround, foreach ref on tuples doesn't work
|
||||
tuple[i] /= len;
|
||||
}
|
||||
}
|
||||
|
||||
/// return normalized version of this vector
|
||||
Vector normalized()
|
||||
{
|
||||
Vector res = this;
|
||||
res.normalize();
|
||||
return res;
|
||||
}
|
||||
|
||||
///
|
||||
string toString()
|
||||
{
|
||||
string res = "[";
|
||||
|
||||
res ~= to!(string)(x);
|
||||
static if (dim >= 2) res ~= ", " ~ to!(string)(y);
|
||||
static if (dim >= 3) res ~= ", " ~ to!(string)(z);
|
||||
static if (dim >= 4) res ~= ", " ~ to!(string)(w);
|
||||
|
||||
return res ~ "]";
|
||||
}
|
||||
|
||||
static if (is(T == float))
|
||||
{
|
||||
/// do a quick normalize using fast approximate inverse sqrt
|
||||
void quickNormalize()
|
||||
{
|
||||
T inv = invSqrt(sqLength);
|
||||
this *= inv;
|
||||
}
|
||||
|
||||
/// return a normalized version of this vector
|
||||
Vector quickNormalized()
|
||||
{
|
||||
auto res = this;
|
||||
res.quickNormalize();
|
||||
return res;
|
||||
}
|
||||
}
|
||||
|
||||
/// return a pointer to the vector data
|
||||
@property T* ptr()
|
||||
{
|
||||
return &x;
|
||||
}
|
||||
|
||||
/// calculate distance to other vector
|
||||
LengthType distance(Vector!(T,dim) other)
|
||||
{
|
||||
assert (isValid);
|
||||
assert (other.isValid);
|
||||
other -= this;
|
||||
return other.length;
|
||||
}
|
||||
|
||||
///
|
||||
bool opEquals(ref const Vector v) const
|
||||
{
|
||||
assert (isValid);
|
||||
assert (v.isValid);
|
||||
|
||||
static if (dim >= 1) if (x != v.x) return false;
|
||||
static if (dim >= 2) if (y != v.y) return false;
|
||||
static if (dim >= 3) if (z != v.z) return false;
|
||||
static if (dim >= 4) if (w != v.w) return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
///
|
||||
bool isUnit()
|
||||
{
|
||||
real sql = cast(real)sqLength();
|
||||
return abs(sql - 1.0) < 0.001;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/******* useful alias declarations *******/
|
||||
|
||||
alias Vector!(float, 2) Vector2f; ///
|
||||
alias Vector!(float, 3) Vector3f; ///
|
||||
alias Vector!(float, 4) Vector4f; ///
|
||||
|
||||
alias Vector!(double, 2) Vector2d; ///
|
||||
alias Vector!(double, 3) Vector3d; ///
|
||||
alias Vector!(double, 4) Vector4d; ///
|
||||
|
||||
alias Vector!(int, 2) Vector2i; ///
|
||||
alias Vector!(int, 3) Vector3i; ///
|
||||
alias Vector!(int, 4) Vector4i; ///
|
||||
|
||||
alias Vector!(uint, 2) Vector2ui; ///
|
||||
alias Vector!(uint, 3) Vector3ui; ///
|
||||
alias Vector!(uint, 4) Vector4ui; ///
|
||||
|
||||
alias Vector!(ushort, 2) Vector2us; ///
|
||||
alias Vector!(ushort, 3) Vector3us; ///
|
||||
alias Vector!(ushort, 4) Vector4us; ///
|
||||
|
||||
alias Vector!(ubyte, 2) Vector2ub; ///
|
||||
alias Vector!(ubyte, 3) Vector3ub; ///
|
||||
alias Vector!(ubyte, 4) Vector4ub; ///
|
||||
|
||||
|
||||
// TODO: do all kinds of unittesting
|
||||
unittest
|
||||
{
|
||||
Vector3f v = {1.5f, 1.f, 0.5f};
|
||||
Vector3f w = {-1.f, 2.f, -0.5f};
|
||||
|
||||
assert(v.length - sqrt(3.5f) < 0.0001, sseAvailable ? "SSE length calculation failed" : "normal length calculation failed");
|
||||
assert(w.length - sqrt(5.25f) < 0.0001, sseAvailable ? "SSE length calculation failed" : "normal length calculation failed");
|
||||
|
||||
assert(v+w == Vector3f(0.5f, 3.f, 0.f));
|
||||
assert(v-w == Vector3f(2.5f, -1.f, 1.f));
|
||||
}
|
||||
|
||||
/**
|
||||
* compute 1/sqrt(x)
|
||||
* assumes x > 0
|
||||
*
|
||||
* Copyright (C) 2002-2006 Chris Lomont
|
||||
* explanation on www.lomont.org
|
||||
*/
|
||||
float invSqrt(float x)
|
||||
{
|
||||
assert(x > 0);
|
||||
|
||||
float xhalf = 0.5f * x;
|
||||
int i = *cast(int*)&x; // get bits for floating value
|
||||
i = 0x5f375a86 - (i >> 1); // gives initial guess y0 with magic number
|
||||
x = *cast(float*)&i; // convert bits back to float
|
||||
x = x*(1.5f - xhalf * x * x); // Newton step, repeating increases accuracy
|
||||
return x;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* compute sqrt(x)
|
||||
* assumes x >= 0
|
||||
*/
|
||||
float fastSqrt(float x)
|
||||
{
|
||||
assert(x >= 0);
|
||||
|
||||
int i = *cast(int*) &x;
|
||||
if (0 == ((i >> 23)&255))
|
||||
return 0; // close
|
||||
return x * invSqrt(x);
|
||||
}
|
||||
|
||||
// get the correct return type for the length function
|
||||
private template LengthReturnType(T)
|
||||
{
|
||||
static if (is(T == float) || is(T == double) || is(T == real))
|
||||
alias T LengthReturnType;
|
||||
else
|
||||
alias float LengthReturnType;
|
||||
}
|
||||
|
||||
/// repeat a type count times
|
||||
template Repeat(T, int count)
|
||||
{
|
||||
static if (!count)
|
||||
alias TypeTuple!() Repeat;
|
||||
else
|
||||
alias TypeTuple!(T, Repeat!(T, count-1)) Repeat;
|
||||
}
|
||||
|
||||
// determine SSE usability
|
||||
// TODO: make more sophisticated
|
||||
version(X86)
|
||||
version(D_InlineAsm_X86)
|
||||
const bool sseAvailable = is(typeof({void* foo; asm { mov EAX, foo; movups XMM0, [EAX]; } }));
|
||||
version(X86_64)
|
||||
version(D_InlineAsm_X86_64)
|
||||
const bool sseAvailable = false; // TODO: add this
|
@ -1,139 +0,0 @@
|
||||
/*
|
||||
* DSFML - SFML Library wrapper for the D programming language.
|
||||
* Copyright (C) 2008 Julien Dagorn (sirjulio13@gmail.com)
|
||||
* Copyright (C) 2010 Andreas Hollandt
|
||||
*
|
||||
* This software is provided 'as-is', without any express or
|
||||
* implied warranty. In no event will the authors be held
|
||||
* liable for any damages arising from the use of this software.
|
||||
*
|
||||
* Permission is granted to anyone to use this software for any purpose,
|
||||
* including commercial applications, and to alter it and redistribute
|
||||
* it freely, subject to the following restrictions:
|
||||
*
|
||||
* 1. The origin of this software must not be misrepresented;
|
||||
* you must not claim that you wrote the original software.
|
||||
* If you use this software in a product, an acknowledgment
|
||||
* in the product documentation would be appreciated but
|
||||
* is not required.
|
||||
*
|
||||
* 2. Altered source versions must be plainly marked as such,
|
||||
* and must not be misrepresented as being the original software.
|
||||
*
|
||||
* 3. This notice may not be removed or altered from any
|
||||
* source distribution.
|
||||
*/
|
||||
|
||||
module dsfml.system.vector2;
|
||||
|
||||
/**
|
||||
* Vector2 is an utility class for manipulating 2 dimensional
|
||||
* vectors. Template parameter defines the type of coordinates
|
||||
* (integer, float, ...)
|
||||
*/
|
||||
struct Vector2(T)
|
||||
{
|
||||
T x;
|
||||
T y;
|
||||
|
||||
/// negate the vector
|
||||
Vector2 opUnary(string op : "-")()
|
||||
{
|
||||
return Vector2!(T)(-x, -y);
|
||||
}
|
||||
|
||||
/// dot product
|
||||
T opBinary(string op : "*", U:Vector2)(U v)
|
||||
{
|
||||
return x*v.x + y*v.y;
|
||||
}
|
||||
|
||||
/// element-wise operations, +, -,
|
||||
Vector2 opBinary(string op, U:Vector2)(U v)
|
||||
if (op != "*")
|
||||
{
|
||||
// pragma(msg, "opBinary!"~op);
|
||||
mixin("return Vector2!(T)( cast(T)(x " ~ op ~ " v.x), cast(T)(y " ~ op ~ " v.y) );");
|
||||
}
|
||||
|
||||
/// operations with a scalar
|
||||
Vector2 opBinary(string op)(int i)
|
||||
{
|
||||
mixin("return Vector2!(T) ( cast(T)(x " ~ op ~ " i), cast(T)(y " ~ op ~ " i) );");
|
||||
}
|
||||
|
||||
/// element-wise assign operations, +=, -=, ...
|
||||
Vector2 opOpAssign(string op, U:Vector2)(U v)
|
||||
{
|
||||
mixin("x " ~ op ~ " v.x;");
|
||||
mixin("y " ~ op ~ " v.y;");
|
||||
return this;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// (*=) overload
|
||||
Vector2 opOpAssign(string op)(int i)
|
||||
{
|
||||
mixin("x "~op~" i;");
|
||||
mixin("y "~op~" i;");
|
||||
return this;
|
||||
}
|
||||
|
||||
///
|
||||
const bool opEquals(ref const(Vector2) other)
|
||||
{
|
||||
return (x == other.x) && (y == other.y);
|
||||
}
|
||||
|
||||
T max()
|
||||
{
|
||||
return (x>y) ? x : y;
|
||||
}
|
||||
}
|
||||
|
||||
unittest
|
||||
{
|
||||
Vector2f main = Vector2f(10f, 10f);
|
||||
Vector2f other = Vector2f(10f, 10f);
|
||||
Vector2f result;
|
||||
|
||||
result = -main;
|
||||
assert (result == Vector2f(-10.f, -10.f) );
|
||||
|
||||
result = main;
|
||||
result += other;
|
||||
assert (result == Vector2f(20.f, 20.f));
|
||||
|
||||
result = main;
|
||||
result -= other;
|
||||
assert (result == Vector2f(0.f, 0.f));
|
||||
|
||||
result = main + other;
|
||||
assert (result == Vector2f(20.f, 20.f));
|
||||
|
||||
result = main - other;
|
||||
assert (result == Vector2f(0.f, 0.f));
|
||||
|
||||
result = main * 10;
|
||||
assert (result == Vector2f(100.f, 100.f));
|
||||
|
||||
result *= 2;
|
||||
assert (result == Vector2f(200.f, 200.f));
|
||||
|
||||
result = main / 2;
|
||||
assert (result == Vector2f(5.f, 5.f));
|
||||
|
||||
result = main;
|
||||
result /= 2;
|
||||
assert (result == Vector2f(5.f, 5.f));
|
||||
}
|
||||
|
||||
/// Aliases
|
||||
alias Vector2!(float) Vector2f;
|
||||
/// ditto
|
||||
alias Vector2!(int) Vector2i;
|
||||
/// ditto
|
||||
alias Vector2!(uint) Vector2ui;
|
||||
/// ditto
|
||||
alias Vector2!(ubyte) Vector2ub;
|
@ -1,156 +0,0 @@
|
||||
/*
|
||||
* DSFML - SFML Library wrapper for the D programming language.
|
||||
* Copyright (C) 2008 Julien Dagorn (sirjulio13@gmail.com)
|
||||
* Copyright (C) 2010 Andreas Hollandt
|
||||
*
|
||||
* This software is provided 'as-is', without any express or
|
||||
* implied warranty. In no event will the authors be held
|
||||
* liable for any damages arising from the use of this software.
|
||||
*
|
||||
* Permission is granted to anyone to use this software for any purpose,
|
||||
* including commercial applications, and to alter it and redistribute
|
||||
* it freely, subject to the following restrictions:
|
||||
*
|
||||
* 1. The origin of this software must not be misrepresented;
|
||||
* you must not claim that you wrote the original software.
|
||||
* If you use this software in a product, an acknowledgment
|
||||
* in the product documentation would be appreciated but
|
||||
* is not required.
|
||||
*
|
||||
* 2. Altered source versions must be plainly marked as such,
|
||||
* and must not be misrepresented as being the original software.
|
||||
*
|
||||
* 3. This notice may not be removed or altered from any
|
||||
* source distribution.
|
||||
*/
|
||||
|
||||
module dsfml.system.vector3;
|
||||
|
||||
/**
|
||||
* Vector3 is an utility class for manipulating 3 dimensional
|
||||
* vectors. Template parameter defines the type of coordinates
|
||||
* (integer, float, ...)
|
||||
*/
|
||||
struct Vector3(T)
|
||||
{
|
||||
T x;
|
||||
T y;
|
||||
T z;
|
||||
|
||||
/// unary (-) overload
|
||||
Vector3 opNeg()
|
||||
{
|
||||
return Vector3!(T)(-x, -y, -z);
|
||||
}
|
||||
|
||||
/// (+=) overload
|
||||
Vector3 opAddAssign(Vector3 other)
|
||||
{
|
||||
x += other.x;
|
||||
y += other.y;
|
||||
z += other.z;
|
||||
return this;
|
||||
}
|
||||
|
||||
/// (-=) overload
|
||||
Vector3 opSubAssign(Vector3 other)
|
||||
{
|
||||
x -= other.x;
|
||||
y -= other.y;
|
||||
z -= other.z;
|
||||
return this;
|
||||
}
|
||||
|
||||
/// (+) overload
|
||||
Vector3 opAdd(Vector3 other)
|
||||
{
|
||||
return Vector3!(T)( (x + other.x), (y + other.y), (z + other.z) );
|
||||
}
|
||||
|
||||
/// (-) overload
|
||||
Vector3 opSub(Vector3 other)
|
||||
{
|
||||
return Vector3!(T) ( (x - other.x), (y - other.y), (z - other.z) );
|
||||
}
|
||||
|
||||
/// (*) overload
|
||||
Vector3 opMul(int i)
|
||||
{
|
||||
return Vector3!(T) ( (x * i), (y * i), (z * i) );
|
||||
}
|
||||
|
||||
/// (*=) overload
|
||||
Vector3 opMulAssign(int i)
|
||||
{
|
||||
x *= i;
|
||||
y *= i;
|
||||
z *= i;
|
||||
return this;
|
||||
}
|
||||
|
||||
/// (/) overload
|
||||
Vector3 opDiv(int i)
|
||||
{
|
||||
return Vector3!(T) ( (x / i), (y / i), (z / i) );
|
||||
}
|
||||
|
||||
/// (/=) overload
|
||||
Vector3 opDivAssign(int i)
|
||||
{
|
||||
x /= i;
|
||||
y /= i;
|
||||
z /= i;
|
||||
return this;
|
||||
}
|
||||
|
||||
///
|
||||
const bool opEquals(ref const(Vector3) other)
|
||||
{
|
||||
return (x == other.x) && (y == other.y) && (z == other.z) ;
|
||||
}
|
||||
}
|
||||
|
||||
version (UnitTest)
|
||||
{
|
||||
unittest
|
||||
{
|
||||
Vector3f main = Vector3f(10f, 10f, 10.f);
|
||||
Vector3f other = Vector3f(10f, 10f, 10.f);
|
||||
Vector3f result;
|
||||
|
||||
result = -main;
|
||||
assert (result == Vector3f(-10.f, -10.f, -10.f) );
|
||||
|
||||
result = main;
|
||||
result += other;
|
||||
assert (result == Vector3f(20.f, 20.f, 20.f));
|
||||
|
||||
result = main;
|
||||
result -= other;
|
||||
assert (result == Vector3f(0.f, 0.f, 0.f));
|
||||
|
||||
result = main + other;
|
||||
assert (result == Vector3f(20.f, 20.f, 20.f));
|
||||
|
||||
result = main - other;
|
||||
assert (result == Vector3f(0.f, 0.f, 0.f));
|
||||
|
||||
result = main * 10;
|
||||
assert (result == Vector3f(100.f, 100.f, 100.f));
|
||||
|
||||
result *= 2;
|
||||
assert (result == Vector3f(200.f, 200.f, 200.f));
|
||||
|
||||
result = main / 2;
|
||||
assert (result == Vector3f(5.f, 5.f, 5.f));
|
||||
|
||||
result = main;
|
||||
result /= 2;
|
||||
assert (result == Vector3f(5.f, 5.f, 5.f));
|
||||
}
|
||||
}
|
||||
|
||||
/// Aliases
|
||||
alias Vector3!(float) Vector3f;
|
||||
/// ditto
|
||||
alias Vector3!(int) Vector3i;
|
Loading…
Reference in New Issue
Block a user