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uniform mat4 g_WorldViewProjectionMatrix;
uniform mat4 g_WorldMatrix;
uniform vec4 m_Ambient;
uniform vec4 m_Diffuse;
uniform vec4 m_Specular;
uniform float m_Shininess;
varying vec2 texCoord;
varying vec4 AmbientSum;
varying vec4 DiffuseSum;
varying vec4 SpecularSum;
attribute vec3 inPosition;
attribute vec2 inTexCoord;
attribute vec3 inNormal;
#ifdef NORMALMAP
attribute vec3 inTangent;
varying mat3 tbnMat;
#endif
#ifdef VERTEX_COLOR
attribute vec4 inColor;
#endif
varying vec3 vNormal;
varying float vDepth;
void main(){
vec4 pos = vec4(inPosition, 1.0);
gl_Position = g_WorldViewProjectionMatrix * pos;
texCoord = inTexCoord;
#if defined(NORMALMAP)
vec4 wvNormal, wvTangent, wvBinormal;
wvNormal = vec4(inNormal, 0.0);
wvTangent = vec4(inTangent, 0.0);
wvNormal.xyz = normalize( (g_WorldMatrix * wvNormal).xyz );
wvTangent.xyz = normalize( (g_WorldMatrix * wvTangent).xyz );
wvBinormal.xyz = cross(wvNormal.xyz, wvTangent.xyz);
tbnMat = mat3(wvTangent.xyz, wvBinormal.xyz, wvNormal.xyz);
vNormal = wvNormal.xyz;
#else
vec4 wvNormal;
#ifdef V_TANGENT
wvNormal = vec4(inTangent, 0.0);
#else
wvNormal = vec4(inNormal, 0.0);
#endif
vNormal = normalize( (g_WorldMatrix * wvNormal).xyz );
#endif
#ifdef MATERIAL_COLORS
AmbientSum = m_Ambient;
DiffuseSum = m_Diffuse;
SpecularSum = m_Specular;
#else
AmbientSum = vec4(0.0);
DiffuseSum = vec4(1.0);
SpecularSum = vec4(1.0);
#endif
#ifdef VERTEX_COLOR
DiffuseSum *= inColor;
#endif
}
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