semi-transparent water rendering (TODO)

internal/asset/shader/world/geometry.vert

@@ -0,0 +1,36 @@
+#version 330
+
+uniform mat4 projection;
+uniform mat4 view;
+uniform mat4 model;
+uniform mat4 lightspace;
+uniform vec3 viewPos;
+
+
+layout (location = 0) in vec3 vert;
+layout (location = 1) in vec3 normal;
+layout (location = 2) in vec2 vertTexCoord;
+layout (location = 3) in float light;
+
+out vec3 fragPosWorld;
+out float fragPosLightspaceZ;
+out vec2 fragTexCoord;
+out vec3 fragNormal;
+out float fragLight;
+
+void main() {
+
+    fragTexCoord = vertTexCoord;
+	fragNormal = normalize(normal);
+	fragLight = light;
+
+    gl_Position = projection * view * model * vec4(vert, 1);
+
+	vec4 pos4 = model * vec4(vert, 1);
+	fragPosWorld = pos4.xyz / pos4.w;
+	vec4 fragPosLightspace = lightspace * vec4(fragPosWorld, 1.0f);
+	fragPosLightspaceZ = fragPosLightspace.z / fragPosLightspace.w *0.5f + 0.5f;
+
+	fragPosWorld -= viewPos;
+}
+