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(#55) Use mix for flashlight effect

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This commit is contained in:
rexim 2019-11-21 00:18:41 +07:00
parent 0395345a03
commit 3648c27f41
1 changed files with 3 additions and 5 deletions
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8
src/frag.glsl
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@ -11,9 +11,7 @@ const float FLASHLIGHT_RADIUS = 200.0;
void main()
{
vec4 cursor = vec4(cursorPos.x, windowSize.y - cursorPos.y, 0.0, 1.0);
if (length(cursor - gl_FragCoord) < FLASHLIGHT_RADIUS) {
color = texture(tex, texcoord);
} else {
color = texture(tex, texcoord) - vec4(flShadow, flShadow, flShadow, 0.0);
}
color = mix(
texture(tex, texcoord), vec4(0.0, 0.0, 0.0, 0.0),
length(cursor - gl_FragCoord) < FLASHLIGHT_RADIUS ? 0.0 : flShadow);
}