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Improve shader accuracy

This commit is contained in:
Mark B 2022-11-04 02:20:14 +01:00
parent c166518090
commit daa6d02af9
1 changed files with 2 additions and 2 deletions
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4
src/map/lowres/LowresFragmentShader.js
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@ -28,8 +28,8 @@ export const LOWRES_FRAGMENT_SHADER = `
${ShaderChunk.logdepthbuf_pars_fragment}
#define PI 3.1415926535897932
#define PI_HALF 1.5707963267948966
#define PI_D10 0.3141592653589793
#define PI_D5 0.6283185307179586
#ifndef texture
#define texture texture2D
@ -107,7 +107,7 @@ void main() {
}
occRGB += ao * 0.1;
color.rgb = mix(defaultRGB, occRGB, smoothstep(PI_HALF + PI_D10, PI - PI_D10, acos(clamp(viewMatrix[1][1] - 1.0, -1.0, 0.0))));
color.rgb = mix(defaultRGB, occRGB, smoothstep(PI - PI_D5, PI - PI_D10, acos(-clamp(viewMatrix[1][2], 0.0, 1.0))));
} else {
color.rgb = defaultRGB;
}