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Prettify receptor shadows 

with some square falloff and anti-bevel measures.
Potentially expensive, at some point I should make this render once per resolution change instead of once per frame.
This commit is contained in:
Luke Hubmayer-Werner 2021-01-06 22:17:47 +10:30
parent 96d1a44417
commit 4a363d9cfa
1 changed files with 5 additions and 3 deletions
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8
shaders/receptors.shader
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@ -52,12 +52,14 @@ void fragment() {
COLOR.rgba = vec4(0.0);
lowp float dist = distance(UV, vec2(0.0));
lowp float angle = atan(-UV.y, UV.x);
vec3 lds_alpha = vec3(0.0);
vec4 lds_alpha = vec4(0.0);
lds_alpha.yz = dot_alpha(UV);
lds_alpha.xz = clamp(line_alpha(dist), vec2(0.0, lds_alpha.z), vec2(1.0-lds_alpha.y));
lds_alpha.yw = dot_alpha(UV);
lds_alpha.xz = clamp(line_alpha(dist), vec2(0.0), vec2(1.0-lds_alpha.y));
lds_alpha.z = pow(max(lds_alpha.z, lds_alpha.w), 1.0-min(lds_alpha.z, lds_alpha.w));
lds_alpha = clamp(lds_alpha, 0.0, 1.0);
lds_alpha.z *= 1.0-min(dot(lds_alpha.xy, vec2(1.0)), 1.0);
lds_alpha.z = max(pow(lds_alpha.z, 2.0)-0.125, 0.0);
lds_alpha.z *= shadow_color.a;
COLOR.rgb = (line_color.rgb*lds_alpha.x) + (dot_color.rgb*lds_alpha.y) + (shadow_color.rgb*lds_alpha.z);