forked from tsuki/openroller
40 lines
1.1 KiB
GLSL
40 lines
1.1 KiB
GLSL
#version 450 core
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in float vSide;
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in float vDist;
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in float vTrackTimeMs;
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out vec4 FragColor;
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uniform vec3 uColor;
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uniform vec3 uBehindColor;
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uniform bool uIsAvatar;
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uniform bool uClipTrack;
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uniform float uCurrentTimeMs;
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uniform float uDrawBehindMs;
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uniform float uDrawAheadMs;
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uniform float uAlpha;
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void main() {
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float dist = abs(vSide);
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// Мягкий туман: трасса видна очень далеко
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float fog = exp(-vDist * 0.001);
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if (uClipTrack &&
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(vTrackTimeMs < uCurrentTimeMs - uDrawBehindMs ||
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vTrackTimeMs > uCurrentTimeMs + uDrawAheadMs)) {
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discard;
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}
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if (uIsAvatar) {
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FragColor = vec4(1.0, 1.0, 1.0, 1.0);
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} else {
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float intensity = pow(1.0 - dist, 4.0);
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float core = pow(1.0 - dist, 20.0);
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vec3 railColor = (uClipTrack && vTrackTimeMs < uCurrentTimeMs) ? uBehindColor : uColor;
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vec3 finalColor = mix(railColor, vec3(1.0), core);
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// Цвет затухает в темноту, а не просто обрезается
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FragColor = vec4(finalColor * fog, intensity * fog * uAlpha);
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}
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}
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