19 lines
490 B
Forth
19 lines
490 B
Forth
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#version 330
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#extension GL_ARB_separate_shader_objects : enable
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layout(location=1) in vec2 fsTex;
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layout(location=0) out vec4 target;
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uniform sampler2D mainTex;
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uniform float objectGlow;
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// 20Hz flickering. 0 = Miss, 1 = Inactive, 2 & 3 = Active alternating.
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uniform int hitState;
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void main()
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{
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float s = float(hitState);
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vec4 color = texture(mainTex, vec2(fsTex.x, s / 4 + fsTex.y / 4));
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target.xyz = color.xyz;
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target.a = color.a * 0.8; // "color.a * 0.8;" = dimming hold button
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}
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