2022-05-16 23:48:22 +00:00
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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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2022-09-15 21:35:43 +00:00
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renpy.register_shader("color_temperature_shader", variables="""
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uniform float u_factor;
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uniform float u_strength;
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""", fragment_functions="""
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vec3 CBT(float ctemp) {
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mat3 m = (ctemp <= 6500.0) ? mat3(vec3(0.0, -2902.1955373783176, -8257.7997278925690),
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vec3(0.0, 1669.5803561666639, 2575.2827530017594),
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vec3(1.0, 1.3302673723350029, 1.8993753891711275)) :
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mat3(vec3(1745.0425298314172, 1216.6168361476490, -8257.7997278925690),
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vec3(-2666.3474220535695, -2173.1012343082230, 2575.2827530017594),
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vec3(0.55995389139931482, 0.70381203140554553, 1.8993753891711275));
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return mix(clamp(vec3(m[0] / (vec3(clamp(ctemp, 1000.0, 40000.0)) + m[1]) + m[2]), vec3(0.0), vec3(1.0)), vec3(1.0), smoothstep(1000.0, 0.0, ctemp));
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}
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""", fragment_300="""
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const float PI2 = 6.2831853071;
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float ctemp = mix(1000.0, 40000.0, u_factor);
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gl_FragColor = vec4(mix(gl_FragColor.xyz, gl_FragColor.xyz * CBT(ctemp), u_strength), 1.0);
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""")
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transform color_temperature(factor=1.0, strength=1.0):
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mesh True
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shader "color_temperature_shader"
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u_factor factor
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u_strength strength
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