Revision faa3ff56
Added by Leszek Koltunski almost 7 years ago
| src/main/java/org/distorted/library/effect/MatrixEffectShear.java | ||
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import org.distorted.library.type.Data3D; |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Shear the Mesh. |
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*/ |
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public class MatrixEffectShear extends MatrixEffect |
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{
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private Data3D mShear, mCenter; |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Shears the Object.
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* Only for use by the library itself.
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* |
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* @param shear The 3-tuple of shear factors. The first controls level |
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* of shearing in the X-axis, second - Y-axis and the third - |
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* Z-axis. Each is the tangens of the shear angle, i.e 0 - |
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* no shear, 1 - shear by 45 degrees (tan(45deg)=1) etc. |
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* @param center Center of shearing, i.e. the point which stays unmoved. |
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* @y.exclude |
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*/ |
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public MatrixEffectShear(Data3D shear, Data3D center) |
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{
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super(EffectName.SHEAR); |
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mShear = shear; |
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mCenter = center; |
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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+4,currentDuration,step); |
| ... | ... | |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Only for use by the library itself. |
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* |
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* @y.exclude |
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*/ |
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public void apply(float[] matrix, float[] uniforms, int index) |
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{
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float sx = uniforms[NUM_UNIFORMS*index ]; |
| ... | ... | |
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Matrix.translateM(matrix, 0,-x, y, -z); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// PUBLIC API |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Shear the Mesh. |
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* |
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* @param shear The 3-tuple of shear factors. The first controls level |
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* of shearing in the X-axis, second - Y-axis and the third - |
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* Z-axis. Each is the tangens of the shear angle, i.e 0 - |
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* no shear, 1 - shear by 45 degrees (tan(45deg)=1) etc. |
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* @param center Center of shearing, i.e. the point which stays unmoved. |
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*/ |
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public MatrixEffectShear(Data3D shear, Data3D center) |
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{
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super(EffectName.SHEAR); |
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mShear = shear; |
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mCenter = center; |
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} |
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} |
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