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attribute vec3 position;
attribute vec3 normal;
uniform mat4 ModelViewProjectionMatrix;
uniform mat4 NormalMatrix;
uniform mat4 ModelViewMatrix;
uniform mat4 LightMatrix;
varying vec3 vertex_normal;
varying vec4 vertex_position;
varying vec4 MapCoord;
void main(void)
{
vec4 current_position = vec4(position, 1.0);
// Transform the normal to eye coordinates
vertex_normal = normalize(vec3(NormalMatrix * vec4(normal, 1.0)));
// Transform the current position to eye coordinates
vertex_position = ModelViewMatrix * current_position;
// Transform the current position for use as texture coordinates
MapCoord = LightMatrix * current_position;
// Transform the current position to clip coordinates
gl_Position = ModelViewProjectionMatrix * current_position;
}
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