remove gl00

2022-02-24 12:48:50 +08:00
parent c2a69d7cd0
commit 1ec4f9d281
7 changed files with 0 additions and 349 deletions
--- a/main.go
+++ b/main.go
@@ -1,130 +0,0 @@
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"runtime"
-	"time"
-
-	"github.com/go-gl/gl/v4.1-core/gl"
-	"github.com/go-gl/glfw/v3.3/glfw"
-	"github.com/go-gl/mathgl/mgl32"
-)
-
-const (
-	windowWidth  = 800
-	windowHeight = 600
-)
-
-func init() {
-	runtime.LockOSThread()
-}
-
-func main() {
-
-	if err := glfw.Init(); err != nil {
-		panic(err)
-	}
-	defer glfw.Terminate()
-
-	glfw.WindowHint(glfw.Resizable, 0)
-	glfw.WindowHint(glfw.ContextVersionMajor, 4)
-	glfw.WindowHint(glfw.ContextVersionMinor, 1)
-	glfw.WindowHint(glfw.OpenGLProfile, glfw.OpenGLCoreProfile)
-	glfw.WindowHint(glfw.OpenGLForwardCompatible, 1)
-	win, err := glfw.CreateWindow(windowWidth, windowHeight, "Cube", nil, nil)
-	if err != nil {
-		panic(err)
-	}
-	win.MakeContextCurrent()
-	glfw.SwapInterval(1)
-
-	err = gl.Init()
-	if err != nil {
-		panic(err)
-	}
-
-	fmt.Println("OpenGL Version: ", gl.GoStr(gl.GetString(gl.VERSION)))
-
-	program, err := newProgram(shaderVert, shaderFrag)
-	if err != nil {
-		panic(err)
-	}
-	gl.UseProgram(program)
-
-	model := mgl32.Ident4()
-	modelUniform := gl.GetUniformLocation(program, gl.Str("model\x00"))
-	gl.UniformMatrix4fv(modelUniform, 1, false, &model[0])
-
-	view := mgl32.LookAtV(mgl32.Vec3{3, 3, 3}, mgl32.Vec3{0, 0, 0}, mgl32.Vec3{0, 1, 0})
-	viewUniform := gl.GetUniformLocation(program, gl.Str("view\x00"))
-	gl.UniformMatrix4fv(viewUniform, 1, false, &view[0])
-
-	projection := mgl32.Perspective(mgl32.DegToRad(45), float32(windowWidth)/float32(windowHeight), 0.1, 10)
-	projectionUniform := gl.GetUniformLocation(program, gl.Str("projection\x00"))
-	gl.UniformMatrix4fv(projectionUniform, 1, false, &projection[0])
-
-	// Texture
-	textureUniform := gl.GetUniformLocation(program, gl.Str("tex\x00"))
-	gl.Uniform1i(textureUniform, 0)
-
-	texture, err := newTexture(bytes.NewReader(textureData))
-	if err != nil {
-		panic(err)
-	}
-
-	gl.BindFragDataLocation(program, 0, gl.Str("outputColor\x00"))
-
-	// Vertex Array
-	var vao uint32
-	gl.GenVertexArrays(1, &vao)
-	gl.BindVertexArray(vao)
-
-	// Vertex Buffer
-	var vbo uint32
-	gl.GenBuffers(1, &vbo)
-	gl.BindBuffer(gl.ARRAY_BUFFER, vbo)
-	gl.BufferData(gl.ARRAY_BUFFER, len(cubeVertices)*4, gl.Ptr(cubeVertices), gl.STATIC_DRAW)
-
-	vertAttrib := uint32(gl.GetAttribLocation(program, gl.Str("vert\x00")))
-	gl.EnableVertexAttribArray(vertAttrib)
-	gl.VertexAttribPointer(vertAttrib, 3, gl.FLOAT, false, 5*4, gl.PtrOffset(0))
-
-	texCoordAttrib := uint32(gl.GetAttribLocation(program, gl.Str("vertTexCoord\x00")))
-	gl.EnableVertexAttribArray(texCoordAttrib)
-	gl.VertexAttribPointer(texCoordAttrib, 2, gl.FLOAT, false, 5*4, gl.PtrOffset(3*4))
-
-	gl.Enable(gl.CULL_FACE)
-	gl.Enable(gl.DEPTH_TEST)
-	gl.DepthFunc(gl.LESS)
-	gl.ClearColor(1, 1, 1, 1)
-
-	angle := 0.0
-	prevTime := time.Now()
-
-	for !win.ShouldClose() {
-
-		gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
-
-		// Angle update
-		angle += time.Since(prevTime).Seconds()
-		prevTime = time.Now()
-
-		model = mgl32.HomogRotate3D(float32(angle), mgl32.Vec3{0, 1, 0})
-
-		// Render
-		// Shader variable
-		gl.UseProgram(program)
-		gl.UniformMatrix4fv(modelUniform, 1, false, &model[0])
-
-		gl.BindVertexArray(vao)
-
-		gl.ActiveTexture(gl.TEXTURE0)
-		gl.BindTexture(gl.TEXTURE_2D, texture)
-
-		gl.DrawArrays(gl.TRIANGLES, 0, 6*2*3)
-
-		win.SwapBuffers()
-		glfw.PollEvents()
-	}
-}