Revision 4aa38649
Added by Leszek Koltunski over 5 years ago
| src/main/java/org/distorted/library/effect/VertexEffectDeform.java | ||
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{
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addEffect( EffectName.DEFORM, |
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"const vec2 ONE = vec2(1.0,1.0); \n"
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"const vec3 ONE = vec3(1.0,1.0,1.0); \n"
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+ "const float A = 0.5; \n" |
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+ "const float B = 0.2; \n" |
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+ "const float C = 5.0; \n" |
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+ "vec2 center = vUniforms[effect+1].yz; \n"
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+ "vec2 ps = center-v.xy; \n"
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+ "vec2 aPS = abs(ps); \n"
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+ "vec2 maxps = u_objD.xy + abs(center); \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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+ "vec3 aPS = abs(ps); \n"
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+ "vec3 maxps = u_objD + abs(center); \n"
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+ "float d = degree_region(vUniforms[effect+2],ps); \n" |
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+ "vec3 force = vUniforms[effect].xyz * d; \n" |
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+ "vec2 aForce = abs(force.xy); \n"
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+ "float denom = dot(ps+(1.0-d)*force.xy,ps); \n"
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+ "vec3 aForce = abs(force); \n"
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+ "float denom = dot(ps+(1.0-d)*force,ps); \n" |
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+ "float one_over_denom = 1.0/(denom-0.001*(sign(denom)-1.0)); \n" |
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+ "vec2 Aw = A*maxps; \n"
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+ "vec2 quot = ps / maxps; \n"
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+ "vec3 Aw = A*maxps; \n"
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+ "vec3 quot = ps / maxps; \n"
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+ "quot = quot*quot; \n" // ( (x/W)^2 , (y/H)^2 ) where x,y are distances from V to center |
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+ "float denomV = 1.0 / (aForce.y + Aw.x); \n" |
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+ "float denomH = 1.0 / (aForce.x + Aw.y); \n" |
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+ "vec2 vertCorr= ONE - aPS / ( aForce+C*aPS + (ONE-sign(aForce)) ); \n" // avoid division by 0 when force and PS both are 0
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+ "vec3 vertCorr= ONE - aPS / ( aForce+C*aPS + (ONE-sign(aForce)) ); \n" // avoid division by 0 when force and PS both are 0
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+ "float mvXvert = -B * ps.x * aForce.y * (1.0-quot.y) * denomV; \n" // impact the vertical component of the force vector has on horizontal movement |
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+ "float mvYhorz = -B * ps.y * aForce.x * (1.0-quot.x) * denomH; \n" // impact the horizontal component of the force vector has on vertical movement |
| ... | ... | |
| 144 | 144 |
+ "v.z += force.z*d*d*(3.0*d*d -8.0*d +6.0); \n" // thick bubble |
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+ "float b = -(12.0*force.z*d*(1.0-d)*(1.0-d)*(1.0-d))*one_over_denom; \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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); |
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} |
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|
| ... | ... | |
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super(EffectName.DEFORM); |
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mVector = vector; |
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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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} |
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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.