Revision faa3ff56
Added by Leszek Koltunski almost 7 years ago
| src/main/java/org/distorted/library/effect/VertexEffectDeform.java | ||
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import org.distorted.library.type.Static4D; |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Deform the Mesh by applying a 3D vector of force. |
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*/ |
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public class VertexEffectDeform extends VertexEffect |
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{
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private Data3D mVector, mCenter; |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Deform the shape of the whole Object with a (possibly changing in time) vector of force applied to |
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* a (possibly changing in time) point on the Object. |
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* |
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* @param vector Vector of force that deforms the shape of the whole Object. |
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* @param center 3-dimensional Data that, at any given time, returns the Center of the Effect. |
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* @param region Region that masks the Effect. |
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*/ |
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public VertexEffectDeform(Data3D vector, Data3D center, Data4D region) |
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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 = (region==null ? new Static4D(0,0,Float.MAX_VALUE, Float.MAX_VALUE) : region); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Deform the shape of the whole Object with a (possibly changing in time) vector of force applied to |
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* a (possibly changing in time) point on the Object. |
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* Only for use by the library itself. |
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* |
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* @param vector Vector of force that deforms the shape of the whole Object. |
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* @param center 3-dimensional Data that, at any given time, returns the Center of the Effect. |
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* @y.exclude |
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*/ |
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public VertexEffectDeform(Data3D vector, Data3D center) |
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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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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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public boolean compute(float[] uniforms, int index, long currentDuration, long step ) |
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{
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mCenter.get(uniforms,index+5,currentDuration,step); |
| ... | ... | |
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return ret; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// PUBLIC API |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// Deform the whole shape of the Object by force V. Algorithm is as follows: |
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// |
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// even when we apply only small vertical force to it. The higher C is, the more 'uniform' movement |
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// along the force line is. |
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// 0<=C<1 looks completely ridiculous and C<0 destroys the system. |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Have to call this before the shaders get compiled (i.e before Distorted.onCreate()) for the Effect to work. |
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*/ |
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public static void enable() |
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{
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addEffect( EffectName.DEFORM, |
| ... | ... | |
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+ "n.xy += n.z*b*ps;" |
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); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Deform the whole Mesh with a (possibly changing in time) vector of force applied to |
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* a (possibly changing in time) point on the Object. |
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* |
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* @param vector Vector of force that deforms the shape of the whole Object. |
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* @param center 3-dimensional Data that, at any given time, returns the Center of the Effect. |
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* @param region Region that masks the Effect. |
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*/ |
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public VertexEffectDeform(Data3D vector, Data3D center, Data4D region) |
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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 = (region==null ? new Static4D(0,0,Float.MAX_VALUE, Float.MAX_VALUE) : region); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Deform the whole Mesh with a (possibly changing in time) vector of force applied to |
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* a (possibly changing in time) point on the Object. |
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* |
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* @param vector Vector of force that deforms the shape of the whole Object. |
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* @param center 3-dimensional Data that, at any given time, returns the Center of the Effect. |
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*/ |
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public VertexEffectDeform(Data3D vector, Data3D center) |
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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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} |
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} |
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