irrlicht/media/opengl.vert

28 lines
636 B
GLSL
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uniform mat4 mWorldViewProj;
uniform mat4 mInvWorld;
uniform mat4 mTransWorld;
uniform vec3 mLightPos;
uniform vec4 mLightColor;
void main(void)
{
gl_Position = mWorldViewProj * gl_Vertex;
vec4 normal = vec4(gl_Normal, 0.0);
normal = mInvWorld * normal;
normal = normalize(normal);
vec4 worldpos = gl_Vertex * mTransWorld;
vec4 lightVector = worldpos - vec4(mLightPos,1.0);
lightVector = normalize(lightVector);
float tmp2 = dot(-lightVector, normal);
vec4 tmp = mLightColor * tmp2;
gl_FrontColor = gl_BackColor = vec4(tmp.x, tmp.y, tmp.z, 0.0);
gl_TexCoord[0] = gl_MultiTexCoord0;
}