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20 lines
451 B
GLSL
20 lines
451 B
GLSL
//
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// Simple passthrough fragment shader
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//
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varying vec2 v_vTexcoord;
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varying vec4 v_vColour;
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uniform int side;
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uniform float max_distance;
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void main() {
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vec4 col = texture2D( gm_BaseTexture, v_vTexcoord );
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float dist = (max_distance - distance(col.xy, v_vTexcoord)) / max_distance;
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if((side == 0 && col.z == 0.) || (side == 1 && col.z == 1.)) {
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gl_FragColor = vec4(vec3(col.z), 1.);
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return;
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}
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gl_FragColor = vec4(vec3(dist), 1.);
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}
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