Revision 4aa38649
Added by Leszek Koltunski over 5 years ago
| src/main/java/org/distorted/library/effect/VertexEffectDistort.java | ||
|---|---|---|
| 112 | 112 |
{
|
| 113 | 113 |
addEffect(EffectName.DISTORT, |
| 114 | 114 |
|
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"vec2 center = vUniforms[effect+1].yz; \n"
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|
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+ "vec2 ps = center-v.xy; \n"
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"vec3 center = vUniforms[effect+1].yzw; \n"
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+ "vec3 ps = center-v.xyz; \n"
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| 117 | 117 |
+ "vec3 force = vUniforms[effect].xyz; \n" |
| 118 | 118 |
+ "float d = degree(vUniforms[effect+2],center,ps); \n" |
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+ "float denom = dot(ps+(1.0-d)*force.xy,ps); \n"
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+ "float denom = dot(ps+(1.0-d)*force,ps); \n" |
|
| 120 | 120 |
+ "float one_over_denom = 1.0/(denom-0.001*(sign(denom)-1.0)); \n" // = denom==0 ? 1000:1/denom; |
| 121 | 121 |
|
| 122 | 122 |
//v.z += force.z*d; // cone |
| ... | ... | |
| 129 | 129 |
+ "float b = -(12.0*force.z*d*(1.0-d)*(1.0-d)*(1.0-d))*one_over_denom; \n" // |
| 130 | 130 |
|
| 131 | 131 |
+ "v.xy += d*force.xy; \n" |
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+ "n.xy += n.z*b*ps;" |
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+ "n.xy += n.z*b*ps.xy;"
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); |
| 134 | 134 |
} |
| 135 | 135 |
|
| ... | ... | |
| 161 | 161 |
super(EffectName.DISTORT); |
| 162 | 162 |
mVector = vector; |
| 163 | 163 |
mCenter = center; |
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mRegion = new Static4D(0,0,Float.MAX_VALUE, Float.MAX_VALUE);
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mRegion = new Static4D(0,0,0, Float.MAX_VALUE);
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| 165 | 165 |
} |
| 166 | 166 |
} |
| 167 | 167 |
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Also available in: Unified diff
Redefine the Vertex Region from (x,y,r,unused) to (x,y,z,r). This takes into account the 'Z', which makes it possible to warp only one side of a 3D Mesh like Sphere.
Also corresponding changes in applications.