18 lines
696 B
Plaintext
18 lines
696 B
Plaintext
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init python:
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renpy.register_shader("outline_shader", fragment_300="""
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const float THICKNESS = 1.0 / 128.0;
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vec4 col = texture2D(tex0, v_tex_coord);
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if (col.a <= 0.5) {
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float a = texture2D(tex0, vec2(v_tex_coord.x + THICKNESS, v_tex_coord.y)).a +
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texture2D(tex0, vec2(v_tex_coord.x, v_tex_coord.y - THICKNESS)).a +
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texture2D(tex0, vec2(v_tex_coord.x - THICKNESS, v_tex_coord.y)).a +
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texture2D(tex0, vec2(v_tex_coord.x, v_tex_coord.y + THICKNESS)).a;
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if (col.a < 1.0 && a > 0.0)
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gl_FragColor = vec4(0.0, 1.0, 0.0, 0.8);
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else
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gl_FragColor = col;
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}
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""")
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