Revision 569ea22c
Added by Leszek Koltunski about 5 years ago
src/main/java/org/distorted/library/effect/VertexEffectSink.java | ||
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69 | 69 |
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70 | 70 |
+ "const float A = 1.6; \n" // max amount of change in normal vector when pulling |
71 | 71 |
+ "const float B = 10.0; \n" // when pushing |
72 |
+ "vec3 nx = dot(ps,n)*ps; \n" // nx = (component of n that's parallel to ps) * |ps|^2 (=dot(ps,ps))
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+ "vec3 n_ps = dot(ps,n)*ps; \n" // n_ps = (component of n that's parallel to ps) * |ps|^2 (=dot(ps,ps))
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73 | 73 |
+ "float dot_ps = dot(ps,ps); \n" |
74 | 74 |
+ "float sign_ps= sign(dot_ps); \n" |
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+ "nx = (sign_ps*nx)/(dot_ps-(sign_ps-1.0)); \n" // uff! now nx is the parallel to ps component of n, even if ps==0
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+ "n_ps = (sign_ps*n_ps)/(dot_ps-(sign_ps-1.0)); \n" // uff! now n_ps is the parallel to ps component of n, even if ps==0
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76 | 76 |
+ "float move = deg*(h-1.0)/(h/B+1.0/A); \n" // move(0)=-A*deg, move(1)=0, move(inf)=B*deg |
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+ "n += move*nx; \n"
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+ "n += move*n_ps; \n"
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78 | 78 |
+ "n = normalize(n);" |
79 | 79 |
); |
80 | 80 |
} |
Also available in: Unified diff
Add correct normal vectors to the PINCH effect. The effect is now fully 3D.