Revision 318dd77b
Added by Leszek Koltunski over 5 years ago
| src/main/java/org/distorted/examples/wind/WindEffectsManager.java | ||
|---|---|---|
| 35 | 35 |
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| 36 | 36 |
class WindEffectsManager |
| 37 | 37 |
{
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private static final long TIME_TO_GET_UP = 400; // time it takes for the max wind to |
|
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// make the flag horizontal (milliseconds) |
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private static final long TIME_TO_FALL_DOWN =2000; // time it takes for the flag to |
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// fall back down if no wind (milliseconds) |
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private long lastTime; |
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private float mWind; |
|
| 38 | 44 |
private int mHeight, mWidth; |
| 39 | 45 |
|
| 40 | 46 |
private Static3D shearFactor; |
| ... | ... | |
| 46 | 52 |
private Dynamic5D windDynamic2; |
| 47 | 53 |
private Static5D windFactor31, windFactor32; |
| 48 | 54 |
private Dynamic5D windDynamic3; |
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private Static5D windFactor41, windFactor42; |
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private Dynamic5D windDynamic4; |
|
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|
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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WindEffectsManager(DistortedTexture texture) |
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{
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lastTime = 0; |
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|
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mHeight = texture.getHeight(); |
| 55 | 65 |
mWidth = texture.getWidth(); |
| 56 | 66 |
|
| ... | ... | |
| 81 | 91 |
windDynamic3.add(windFactor32); |
| 82 | 92 |
windDynamic3.setMode(Dynamic.MODE_JUMP); |
| 83 | 93 |
windDynamic3.setAccessMode(Dynamic.ACCESS_SEQUENTIAL); |
| 94 |
|
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windFactor41 = new Static5D(mHeight/10,mHeight/5,-180, 0, 0); |
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windFactor42 = new Static5D(mHeight/10,mHeight/5,+180, 0, 0); |
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windDynamic4 = new Dynamic5D(1000,0.0f); |
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windDynamic4.add(windFactor41); |
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windDynamic4.add(windFactor42); |
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windDynamic4.setMode(Dynamic.MODE_JUMP); |
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windDynamic4.setAccessMode(Dynamic.ACCESS_SEQUENTIAL); |
|
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} |
| 85 | 103 |
|
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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void apply(DistortedEffects effects, int wind)
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void apply(DistortedEffects effects) |
|
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{
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Static3D midLeft = new Static3D(0,mHeight/2,0); |
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Static3D midRight = new Static3D(mWidth,mHeight/2,0); |
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Static3D midLeft = new Static3D(0,mHeight/2,0); |
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Static3D midRight = new Static3D(mWidth,mHeight/2,0); |
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Static3D tadRight = new Static3D(3*mWidth/4,mHeight/2,0); |
|
| 92 | 111 |
Static4D windRegion = new Static4D(0,0,0,mHeight); |
| 93 | 112 |
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setWind(wind);
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setWind(0);
|
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|
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effects.apply( new MatrixEffectShear(shearFactor,midLeft) ); |
| 97 | 116 |
effects.apply( new MatrixEffectScale(scaleFactor) ); |
| ... | ... | |
| 99 | 118 |
effects.apply( new VertexEffectWave(windDynamic1, midRight, windRegion) ); |
| 100 | 119 |
effects.apply( new VertexEffectWave(windDynamic2, midRight, windRegion) ); |
| 101 | 120 |
effects.apply( new VertexEffectWave(windDynamic3, midRight, windRegion) ); |
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effects.apply( new VertexEffectWave(windDynamic4, tadRight, windRegion) ); |
|
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} |
| 103 | 123 |
|
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
| 105 | 125 |
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synchronized void setWind(int wind)
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private void setWind(int wind)
|
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{
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float tanAngle = (wind-50)/50.0f;
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mWind = wind;
|
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float tanAngle = (wind-50)/50.0f; |
|
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shearFactor.set2(tanAngle); |
| 111 | 132 |
scaleFactor.set1(1/(float)Math.sqrt(1+tanAngle*tanAngle)); |
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windDynamic1.setDuration( wind > 0 ? 100000/wind : Long.MAX_VALUE); |
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windDynamic2.setDuration( wind > 0 ? 80000/wind : Long.MAX_VALUE); |
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windDynamic3.setDuration( wind > 0 ? 100000/wind : Long.MAX_VALUE); |
|
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float waveA = (mHeight/(20.0f-0.15f*wind)); |
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windFactor21.set1(waveA); |
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windFactor22.set1(waveA); |
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windDynamic1.setDuration( wind > 0 ? 900 + 10000/wind : Long.MAX_VALUE); |
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windDynamic2.setDuration( wind > 0 ? 720 + 8000/wind : Long.MAX_VALUE); |
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windDynamic3.setDuration( wind > 0 ? 900 + 10000/wind : Long.MAX_VALUE); |
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|
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float wave2 = mHeight*( 0.05f + 0.002f*wind); |
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windFactor21.set1(wave2); |
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windFactor22.set1(wave2); |
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|
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float wave3 = (mHeight/(wind+5.0f)); |
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windFactor31.set1(wave3); |
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windFactor32.set1(wave3); |
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|
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float wave4 = (mHeight*(wind*(100-wind)/50000.0f)); |
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windFactor41.set1(wave4); |
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windFactor42.set1(wave4); |
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} |
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|
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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synchronized void increaseWind(long currTime) |
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{
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if( lastTime>0 ) |
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{
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long diff = currTime-lastTime; |
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float diffWind = (100.0f*diff/TIME_TO_GET_UP); |
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|
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mWind += diffWind; |
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if( mWind>100.0f ) mWind=100.0f; |
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|
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setWind( (int)mWind ); |
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} |
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lastTime = currTime; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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synchronized void decreaseWind(long currTime) |
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{
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if( lastTime>0 ) |
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{
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long diff = currTime-lastTime; |
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float diffWind = (100.0f*diff/TIME_TO_FALL_DOWN); |
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mWind -= diffWind; |
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if( mWind<0.0f ) mWind=0.0f; |
|
| 119 | 180 |
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float waveB = (mHeight/(wind+5.0f)); |
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windFactor31.set1(waveB); |
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windFactor32.set1(waveB); |
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setWind( (int)mWind ); |
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} |
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|
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lastTime = currTime; |
|
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
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} |
Also available in: Unified diff
Some improvements to the Wind app - still does not look very realistic though :(