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attribute vec3 aVertexPosition;
attribute vec3 aNormal;
attribute vec2 aTextureCoord;
varying vec2 vTextureCoord;
// #if hasColorMap||hasBumpMap||hasNormalMap||hasAmbientMap||hasSpecularMap||hasAlphaMap
// #endif
uniform mat4 uMVMatrix;
uniform mat4 uPMatrix;
uniform mat4 uOMatrix;
uniform mat3 uNMatrix;
vec3 mSpec;
float mShine;
varying vec3 vNormal;
varying vec4 vPosition;
varying vec3 camPos;
#if loopCount
struct Light {
vec3 lDir;
vec3 lPos;
vec3 lSpec;
vec3 lDiff;
float lInt;
float lDist;
};
uniform Light lights[loopCount];
varying vec3 lightDir[loopCount];
#endif
#if lightPoint
varying vec3 lightPos[loopCount];
#endif
#if hasEnvSphereMap
#if hasNormalMap
varying vec3 u;
#else
varying vec2 vEnvTextureCoord;
#endif
#endif
#if hasBumpMap||hasNormalMap
varying vec3 eyeVec;
#endif
void main(void)
{
mat4 uMVOMatrix = uMVMatrix * uOMatrix;
mat4 uMVPMatrix = uPMatrix * uMVMatrix;
vTextureCoord = aTextureCoord;
vPosition = uMVOMatrix * vec4(aVertexPosition, 1.0);
camPos.xyz = vec3(0.0,0.0,0.0);
gl_Position = uMVPMatrix * uOMatrix * vec4(aVertexPosition, 1.0);
vNormal = uNMatrix * normalize(uOMatrix*vec4(aNormal,0.0)).xyz;
#if hasBumpMap||hasNormalMap
vec3 tangent;
vec3 binormal;
vec3 c1 = cross( aNormal, vec3(0.0, 0.0, 1.0) );
vec3 c2 = cross( aNormal, vec3(0.0, 1.0, 0.0) );
if ( length(c1) > length(c2) ) {
tangent = c1;
} else {
tangent = c2;
}
tangent = normalize(tangent);
binormal = cross(aNormal, tangent);
binormal = normalize(binormal);
mat3 TBNMatrix = mat3( (vec3 (uMVOMatrix * vec4 (tangent, 0.0))),
(vec3 (uMVOMatrix * vec4 (binormal, 0.0))),
(vec3 (uMVOMatrix * vec4 (aNormal, 0.0)))
);
eyeVec = vec3(uMVOMatrix * vec4(aVertexPosition,1.0)) * TBNMatrix;
#endif
#if lightDirectional
for (int i = 0; i < loopCount; i++)
{
lightDir[i] = uNMatrix * lights[i].lDir;
}
#endif
#if lightPoint
for (int i = 0; i < loopCount; i++)
{
lightDir[i] = uNMatrix*normalize(lights[i].lPos-(uOMatrix * vec4(aVertexPosition, 1.0)).xyz);
lightPos[i] = (uMVMatrix*vec4(lights[i].lPos,1.0)).xyz;
}
#endif
#if hasEnvSphereMap
#if hasNormalMap
u = normalize( vPosition.xyz );
#else
vec3 ws = (uMVMatrix * vec4(aVertexPosition,1.0)).xyz;
vec3 u = normalize( vPosition.xyz );
vec3 r = reflect(ws - camPos, vNormal );
float m = 2.0 * sqrt( r.x*r.x + r.y*r.y + (r.z+1.0)*(r.z+1.0) );
vEnvTextureCoord.s = r.x/m + 0.5;
vEnvTextureCoord.t = r.y/m + 0.5;
#endif
#endif
}
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