40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
import material.cycles as cycles
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import material.mat_state as mat_state
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import material.make_mesh as make_mesh
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def make(context_id):
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con_transluc = mat_state.data.add_context({ 'name': context_id, 'depth_write': False, 'compare_mode': 'less', 'cull_mode': 'clockwise', \
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'blend_source': 'blend_one', 'blend_destination': 'blend_one', 'blend_operation': 'add', \
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'alpha_blend_source': 'blend_zero', 'alpha_blend_destination': 'inverse_source_alpha', 'alpha_blend_operation': 'add' })
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make_mesh.forward(con_transluc, mrt=2)
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vert = con_transluc.vert
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frag = con_transluc.frag
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vert.add_out('vec4 wvpposition')
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vert.write('wvpposition = gl_Position;')
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# Remove fragColor = ...;
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frag.main = frag.main[:frag.main.rfind('fragColor')]
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frag.write('vec4 premultipliedReflect = vec4(vec3(direct * visibility + indirect * occlusion), 0.1);')
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#ifdef _OpacTex
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# premultipliedReflect.a *= texture(sopacity, texCoord).r;
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#else
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#ifdef _BaseTex
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# premultipliedReflect.a *= texel.a; // Base color alpha
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#endif
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#endif
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frag.write('float fragZ = wvpposition.z / wvpposition.w;')
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frag.write('float a = min(1.0, premultipliedReflect.a) * 8.0 + 0.01;')
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frag.write('float b = -fragZ * 0.95 + 1.0;')
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frag.write('float w = clamp(a * a * a * 1e8 * b * b * b, 1e-2, 3e2);')
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frag.write('fragColor[0] = vec4(premultipliedReflect.rgb * w, premultipliedReflect.a);')
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frag.write('fragColor[1] = vec4(premultipliedReflect.a * w, 0.0, 0.0, 1.0);')
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return con_transluc
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