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Shadow tweaks

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This commit is contained in:
Anuken
2018-11-16 21:33:10 -05:00
parent eb62356313
commit d52f5e6e03
2 changed files with 21 additions and 5 deletions
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core/assets/shaders/outline.fragment
+18 -3
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@@ -3,7 +3,7 @@ precision mediump float;
precision mediump int;
#endif
#define SPACE 1.0
#define SPACE 2.0
uniform sampler2D u_texture;
@@ -20,8 +20,23 @@ void main() {
gl_FragColor = mix(c * v_color, u_color,
(1.0-step(0.1, texture2D(u_texture, v_texCoord.xy).a)) *
step(0.1, texture2D(u_texture, v_texCoord.xy + vec2(0, SPACE) * v).a +
step(0.1,
//cardinals
texture2D(u_texture, v_texCoord.xy + vec2(0, SPACE) * v).a +
texture2D(u_texture, v_texCoord.xy + vec2(0, -SPACE) * v).a +
texture2D(u_texture, v_texCoord.xy + vec2(SPACE, 0) * v).a +
texture2D(u_texture, v_texCoord.xy + vec2(-SPACE, 0) * v).a));
texture2D(u_texture, v_texCoord.xy + vec2(-SPACE, 0) * v).a +
//cardinal edges
texture2D(u_texture, v_texCoord.xy + vec2(SPACE, SPACE) * v).a +
texture2D(u_texture, v_texCoord.xy + vec2(SPACE, -SPACE) * v).a +
texture2D(u_texture, v_texCoord.xy + vec2(-SPACE, SPACE) * v).a +
texture2D(u_texture, v_texCoord.xy + vec2(-SPACE, -SPACE) * v).a +
//cardinals * 2
texture2D(u_texture, v_texCoord.xy + vec2(0, SPACE) * v*2.0).a +
texture2D(u_texture, v_texCoord.xy + vec2(0, -SPACE) * v*2.0).a +
texture2D(u_texture, v_texCoord.xy + vec2(SPACE, 0) * v*2.0).a +
texture2D(u_texture, v_texCoord.xy + vec2(-SPACE, 0) * v*2.0).a
));
}