80486DX2-66/taisei
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optimize/simplify powersurge effect

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Andrei Alexeyev 2019-08-23 18:29:05 +03:00
parent 673df39f7f
commit a6d0327e49
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GPG key ID: 363707CD4C7FE8A4
1 changed files with 5 additions and 13 deletions
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18
resources/00-taisei.pkgdir/shader/powersurge_effect.frag.glsl
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@ -34,7 +34,7 @@ void main(void) {
vec4 c = textureGrad(shotlayer, uv, gradX, gradY);
#ifdef ENABLE_ALPHA_CULLING
if(c == vec4(0.0)) {
if(all(lessThan(c, vec4(1.0 / 255.0)))) {
#ifdef DEBUG_ALPHA_CULLING
fragColor = vec4(1, 0, 0, 1);
return;
@ -49,19 +49,11 @@ void main(void) {
vec4 m = vec4(vec3(0), 1);
float t = (time + c.a * 0.2) * 0.1 + 92.123431 + fwidth(c.a);
m.r += textureGrad(flowlayer, uv + 0.0524 * vec2(3.123*sin(t*1.632), -t*36.345), gradX, gradY).r;
m.g += textureGrad(flowlayer, uv + 0.0513 * vec2(3.312*sin(t*1.213), -t*31.314), gradX, gradY).g;
m.b += textureGrad(flowlayer, uv + 0.0551 * vec2(3.341*sin(t*1.623), -t*35.642), gradX, gradY).b;
m.rgb += textureGrad(flowlayer, uv + 0.0524 * vec2(3.123*sin(t*1.632), t*36.345), gradX, gradY).rgb;
m.rgb += textureGrad(flowlayer, uv + 0.0531 * vec2(t*13.624, -t*49.851), gradX, gradY).rgb;
m.rgb += textureGrad(flowlayer, uv + 0.0543 * vec2(-t*12.931, -t*24.341), gradX, gradY).rgb;
m.r += textureGrad(flowlayer, uv + 0.0531 * vec2(t*13.624, -t*49.851), gradX, gradY).g;
m.g += textureGrad(flowlayer, uv + 0.0501 * vec2(t*12.314, -t*42.123), gradX, gradY).b;
m.b += textureGrad(flowlayer, uv + 0.0593 * vec2(t*11.324, -t*44.681), gradX, gradY).r;
m.r += textureGrad(flowlayer, uv + 0.0543 * vec2(-t*12.931, -t*24.341), gradX, gradY).b;
m.g += textureGrad(flowlayer, uv + 0.0534 * vec2(-t*11.123, -t*23.934), gradX, gradY).r;
m.b += textureGrad(flowlayer, uv + 0.0584 * vec2(-t*13.631, -t*25.341), gradX, gradY).g;
m.rgb = hueShift(clamp(m.rgb / 3, 0, 1), time * 0.1 + uv.y);
m.rgb = hueShift(clamp(m.rgb / 2.5, 0, 1), time * 0.1 + uv.y);
fragColor = c * m;
}