Revision 5f76092f
Added by Leszek Koltunski about 5 years ago
| src/main/java/org/distorted/library/effect/VertexEffectDeform.java | ||
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| 105 | 105 |
{
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| 106 | 106 |
addEffect( EffectName.DEFORM, |
| 107 | 107 |
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"const vec3 ONE = vec3(1.0,1.0,1.0); \n" |
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| 109 |
+ "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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"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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| 112 | 112 |
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+ "vec3 center = vUniforms[effect+1].yzw; \n" |
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+ "vec3 ps = center-v; \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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+ "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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+ "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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+ "vec3 center = vUniforms[effect+1].yzw; \n"
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+ "vec3 ps = center-v; \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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+ "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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+ "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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| 125 | 125 |
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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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+ "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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| 128 | 128 |
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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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+ "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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| 130 | 130 |
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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
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+ "float mvYvert = force.y * (1.0-quot.x*Aw.x*denomV) * vertCorr.y; \n" // impact the vertical component of the force vector has on vertical movement |
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+ "float mvXhorz = force.x * (1.0-quot.y*Aw.y*denomH) * vertCorr.x; \n" // impact the horizontal component of the force vector has on horizontal movement |
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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
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+ "float mvYvert = force.y * (1.0-quot.x*Aw.x*denomV) * vertCorr.y; \n" // impact the vertical component of the force vector has on vertical movement
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+ "float mvXhorz = force.x * (1.0-quot.y*Aw.y*denomH) * vertCorr.x; \n" // impact the horizontal component of the force vector has on horizontal movement
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| 135 | 135 |
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+ "v.x += (mvXvert+mvXhorz); \n" |
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+ "v.y += (mvYvert+mvYhorz); \n" |
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+ "v.x += (mvXvert+mvXhorz); \n"
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+ "v.y += (mvYvert+mvYhorz); \n"
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| 138 | 138 |
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+ "v.z += force.z*d*d*(3.0*d*d -8.0*d +6.0); \n" // thick bubble
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+ "v.z += force.z*d*d*(3.0*d*d -8.0*d +6.0); \n" // thick bubble
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| 140 | 140 |
+ "float b = -(12.0*force.z*d*(1.0-d)*(1.0-d)*(1.0-d))*one_over_denom; \n" |
| 141 | 141 |
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| 142 | 142 |
+ "n.xy += n.z*b*ps.xy;" |
Also available in: Unified diff
Add (simplified, approximated) shading to the Sink effect, i.e. move the normal vectors.