48 lines
898 B
GLSL
48 lines
898 B
GLSL
uniform sampler2DArray textures;
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in vec3 vColor;
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in vec4 vTextureInfo;
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in vec2 vTextureOffset;
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in float vAtlas;
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in vec3 vLighting;
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#ifndef alpha
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#ifdef ES
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layout(location = 2) out vec4 fragColor;
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#else
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out vec4 fragColor;
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#endif
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#else
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#ifdef ES
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layout(location = 0) out vec4 accum;
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layout(location = 1) out float revealage;
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#else
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out vec4 accum;
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out float revealage;
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#endif
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#endif
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#include lookup_texture
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void main() {
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vec4 col = atlasTexture();
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#ifndef alpha
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if (col.a < 0.5) discard;
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#endif
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col *= vec4(vColor, 1.0);
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col.rgb *= vLighting;
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#ifndef alpha
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fragColor = col;
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#else
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float z = gl_FragCoord.z;
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float al = col.a;
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float weight = pow(al + 0.01f, 4.0f) +
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max(0.01f, min(3000.0f, 0.3f / (0.00001f + pow(abs(z) / 800.0f, 4.0f))));
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accum = vec4(col.rgb * al * weight, al);
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revealage = weight * al;
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#endif
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}
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