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Add example for projective texture.

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yunfeibai
2018-02-11 13:50:45 -08:00
parent 0bebf86b50
commit 08548e1ef0
8 changed files with 163 additions and 20 deletions
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8
examples/OpenGLWindow/Shaders/useShadowMapInstancingPS.h
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@@ -11,10 +11,8 @@ static const char* useShadowMapInstancingFragmentShader= \
" vec2 texcoord;\n"
"} vert;\n"
"uniform sampler2D Diffuse;\n"
"uniform sampler2DShadow shadowMap;\n"
"uniform mat4 ViewMatrixInverse;\n"
"in vec3 lightPos,cameraPosition, normal,ambient;\n"
"in vec4 ShadowCoord;\n"
"in vec4 vertexPos;\n"
"in float materialShininess;\n"
"in vec3 lightSpecularIntensity;\n"
@@ -22,7 +20,7 @@ static const char* useShadowMapInstancingFragmentShader= \
"out vec4 color;\n"
"void main(void)\n"
"{\n"
" vec4 texel = fragment.color*texture(Diffuse,vert.texcoord);\n"
" vec4 texel = fragment.color*texture(Diffuse,vert.texcoord.xy);\n"
" vec3 ct,cf;\n"
" float intensity,at,af;\n"
" if (fragment.color.w==0)\n"
@@ -58,9 +56,7 @@ static const char* useShadowMapInstancingFragmentShader= \
" \n"
" }\n"
" \n"
" float visibility = texture(shadowMap, vec3(ShadowCoord.xy,(ShadowCoord.z)/ShadowCoord.w));\n"
" if (intensity<0.5)\n"
" visibility = 0;\n"
" float visibility = 1.0;\n"
" intensity = 0.7*intensity + 0.3*intensity*visibility;\n"
" \n"
" cf = intensity*(vec3(1.0,1.0,1.0)-ambient)+ambient+specularReflection*visibility;\n"