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https://github.com/SoftFever/OrcaSlicer.git
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20 lines
No EOL
612 B
GLSL
20 lines
No EOL
612 B
GLSL
#version 110
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const vec3 back_color_dark = vec3(0.235, 0.235, 0.235);
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const vec3 back_color_light = vec3(0.365, 0.365, 0.365);
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uniform sampler2D texture;
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uniform bool transparent_background;
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varying vec2 tex_coords;
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void main()
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{
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// calculates radial gradient
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vec3 back_color = vec3(mix(back_color_light, back_color_dark, smoothstep(0.0, 0.5, length(abs(tex_coords.xy) - vec2(0.5)))));
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vec4 fore_color = texture2D(texture, tex_coords);
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// blends foreground with background
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gl_FragColor = vec4(mix(back_color, fore_color.rgb, fore_color.a), transparent_background ? fore_color.a : 1.0);
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} |