41 lines
No EOL
1.1 KiB
GLSL
41 lines
No EOL
1.1 KiB
GLSL
#version 450
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layout (binding = 1) uniform sampler2D sColorMap;
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layout (binding = 2) uniform sampler2D sNormalHeightMap;
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#define lightRadius 45.0
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layout (location = 0) in vec2 inUV;
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layout (location = 1) in vec3 inLightVec;
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layout (location = 2) in vec3 inLightVecB;
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layout (location = 3) in vec3 inLightDir;
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layout (location = 4) in vec3 inViewVec;
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layout (location = 0) out vec4 outFragColor;
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void main(void)
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{
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vec3 specularColor = vec3(0.85, 0.5, 0.0);
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float invRadius = 1.0/lightRadius;
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float ambient = 0.25;
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vec3 rgb, normal;
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rgb = texture(sColorMap, inUV).rgb;
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normal = normalize((texture(sNormalHeightMap, inUV).rgb - 0.5) * 2.0);
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float distSqr = dot(inLightVecB, inLightVecB);
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vec3 lVec = inLightVecB * inversesqrt(distSqr);
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float atten = max(clamp(1.0 - invRadius * sqrt(distSqr), 0.0, 1.0), ambient);
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float diffuse = clamp(dot(lVec, normal), 0.0, 1.0);
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vec3 light = normalize(-inLightVec);
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vec3 view = normalize(inViewVec);
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vec3 reflectDir = reflect(-light, normal);
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float specular = pow(max(dot(view, reflectDir), 0.0), 4.0);
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outFragColor = vec4((rgb * atten + (diffuse * rgb + 0.5 * specular * specularColor.rgb)) * atten, 1.0);
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} |