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c04819c5af
* Move to glslang's convention for shader file suffix * Update ci.yml * Oops, a mistake in the shader, how could that happen? * Does the command error on its own? * Update ci.yml * Revert "Oops, a mistake in the shader, how could that happen?" This reverts commit 869c3323f3d3b5fa607b40e7847c389a12b01f33. * Update ci.yml
21 lines
774 B
GLSL
21 lines
774 B
GLSL
#version 460
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layout(location = 0) out vec4 frag_color;
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layout(location = 0) flat in vec2 startCoord;
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layout(location = 1) flat in vec2 endCoord;
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layout(location = 2) flat in vec4 fColor;
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layout(location = 0) uniform vec2 start;
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layout(location = 1) uniform vec2 size;
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layout(location = 4) uniform float scale;
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layout(location = 5) uniform vec2 effectLength;
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void main() {
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vec2 distanceToBorder = min(gl_FragCoord.xy - startCoord, endCoord - gl_FragCoord.xy)/effectLength/scale;
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float reducedDistance = distanceToBorder.x*distanceToBorder.y/(distanceToBorder.x + distanceToBorder.y); // Inspired by the reduced mass from physics, to give a sort of curvy look to the outline.
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float opacity = max(1 - reducedDistance, 0);
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frag_color = fColor*vec4(1, 1, 1, opacity);
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}
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