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varying vec3 normalVec;
varying vec3 viewVec;
varying vec3 positionW;
void main()
{
gl_TexCoord[0] = gl_MultiTexCoord0;
//gl_TexCoord[0] = gl_MultiTexCoord1;
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
positionW = gl_Vertex.xyz;
gl_FrontColor = gl_FrontMaterial.diffuse;
gl_BackColor = gl_BackMaterial.diffuse;
// Compute position and normal in world space
vec3 positionW = gl_Vertex.xyz; ;
vec3 normalW = normalize(gl_Normal);
vec3 eyePositionW = gl_ModelViewMatrixInverse[3].xyz;
// Compute the incident and reflected vectors
vec3 I = positionW - eyePositionW;
//reflectVec = reflect(I, normalW);
normalVec = normalW;
viewVec = I;
//normalView = gl_NormalMatrix * gl_Normal;
//sphereCenter = (gl_ModelViewProjectionMatrix * vec4(worldSphereCenter,1.0)).xyz;
//lightCenter = (gl_ModelViewProjectionMatrix * vec4(lightCenterProj,1.0)).xyz;
}
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