org.simantics.proconf.processeditor/src/org/simantics/processeditor/animations/PipeFlowAnimation.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.\r
   3  * All rights reserved. This program and the accompanying materials\r
   4  * are made available under the terms of the Eclipse Public License v1.0\r
   5  * which accompanies this distribution, and is available at\r
   6  * http://www.eclipse.org/legal/epl-v10.html\r
   7  *\r
   8  * Contributors:\r
   9  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  10  *******************************************************************************/\r
  11 package org.simantics.processeditor.animations;\r
  12 \r
  13 import java.util.List;\r
  14 \r
  15 import javax.vecmath.Point3d;\r
  16 import javax.vecmath.Vector3d;\r
  17 \r
  18 import org.simantics.db.Graph;\r
  19 import org.simantics.db.Resource;\r
  20 import org.simantics.processeditor.common.ControlPointTools;\r
  21 import org.simantics.processeditor.stubs.PipeControlPoint;\r
  22 import org.simantics.processeditor.stubs.VariableLengthInlineComponent;\r
  23 import org.simantics.proconf.g3d.animation.Animatable;\r
  24 import org.simantics.proconf.g3d.base.VecmathJmeTools;\r
  25 \r
  26 import com.jme.renderer.ColorRGBA;\r
  27 import com.jme.scene.Node;\r
  28 import com.jmex.effects.particles.ParticleFactory;\r
  29 import com.jmex.effects.particles.ParticleGeometry;\r
  30 \r
  31 \r
  32 \r
  33 \r
  34 public class PipeFlowAnimation implements Animatable{ \r
  35         \r
  36         ParticleGeometry particle;\r
  37         float length;\r
  38         int numParticles;\r
  39         \r
  40         public PipeFlowAnimation(List<ParticleGeometry> pipeAnimations, Node particleNode, VariableLengthInlineComponent s, boolean reversed) {\r
  41         PipeControlPoint pcp = s.getControlPoint();\r
  42         \r
  43         Point3d p1 = new Point3d();\r
  44         Point3d p2 = new Point3d();\r
  45         \r
  46         ControlPointTools.getInlineControlPointEnds(pcp, p2, p1);\r
  47 \r
  48         if (reversed) {\r
  49                 Point3d t = p1;\r
  50                 p1 = p2;\r
  51                 p2 = t;\r
  52         }\r
  53         \r
  54         \r
  55         Vector3d dir = new Vector3d(p2);\r
  56         dir.sub(p1);\r
  57         length = (float)dir.length();\r
  58         //if (length < 0.1f)\r
  59         //      return;\r
  60                 //continue;\r
  61         // with longer pipes particles will travel too far so the length of the pipe must be scaled\r
  62         length *= 0.83f;\r
  63         float vel = 0.1f;\r
  64         //float size = (float)s.getPipeRadiusValue() + 0.1f;\r
  65         //size *= 2.f;\r
  66         float size = (float)s.getPipeDiameter()[0];\r
  67         //size *= 1.2f;\r
  68         float life = length/vel;\r
  69         \r
  70         //int releaseRate = 40;\r
  71         //int numParticles = (int)(releaseRate * life / 100.f);//(int)(releaseRate * life / 500.f);\r
  72         \r
  73         numParticles = (int)(length * 2.0);\r
  74         int releaseRate = (int)((numParticles * 500.0) / life);\r
  75         \r
  76         if (numParticles < 2)\r
  77                 numParticles = 2;\r
  78         \r
  79         particle = ParticleFactory.buildParticles("Animation of " + s.getResource().getResourceId(),numParticles, ParticleGeometry.PT_QUAD);//new ParticleMesh("Animation of " + r.getId(),40);\r
  80         particle.setEmissionDirection(VecmathJmeTools.get(dir).normalize());\r
  81         particle.setLocalTranslation(VecmathJmeTools.get(p1));\r
  82         particle.setEmitType(ParticleGeometry.ET_POINT);\r
  83         particle.setInitialVelocity(vel);\r
  84         particle.setMinimumAngle(0.f);\r
  85         particle.setMaximumAngle(0.f);\r
  86         particle.setReleaseRate(releaseRate);\r
  87         particle.getParticleController().setReleaseVariance(0.f);\r
  88         particle.getParticleController().setControlFlow(true);\r
  89         particle.setStartColor(new ColorRGBA(1.f,1.f,0.f,1.f));\r
  90         particle.setEndColor(new ColorRGBA(1.f,1.f,0.f,1.f));\r
  91         particle.setStartSize(size);\r
  92         particle.setEndSize(size);\r
  93         setFlow(vel);\r
  94         particle.getParticleController().setSpeed(vel);\r
  95         particle.warmUp(60);\r
  96         pipeAnimations.add(particle);\r
  97         particleNode.attachChild(particle);\r
  98         }\r
  99         \r
 100         ParticleGeometry getParticleGeometry() {\r
 101                 return particle;\r
 102         }\r
 103         \r
 104         private void setFlow(float vel) {\r
 105                 float life;\r
 106                 if (vel > 0.f)\r
 107                         life = length/vel;\r
 108                 else\r
 109                         life = 0.f;\r
 110                 particle.setInitialVelocity(vel);\r
 111         particle.setMaximumLifeTime(life);\r
 112         particle.setMinimumLifeTime(life);\r
 113         particle.getParticleController().setSpeed(vel);\r
 114 \r
 115         }\r
 116         \r
 117         private void setReleaserate(float vel) {\r
 118                 float life;\r
 119                 if (vel > 0.f)\r
 120                         life = length/vel;\r
 121                 else\r
 122                         life = 0.f;\r
 123                 particle.setInitialVelocity(vel);\r
 124         particle.setMaximumLifeTime(life);\r
 125         particle.setMinimumLifeTime(life);\r
 126         particle.setReleaseRate((int)((numParticles * 500.0) / life));\r
 127         }\r
 128         \r
 129         public void animate(double delta,double frameRate) {\r
 130                 //setFlow(0.1f*(float)delta);\r
 131                 setReleaserate(0.05f*(float)delta);\r
 132         }\r
 133         \r
 134         public boolean setAnimation(Graph graph, Resource animation) {\r
 135                 return false;\r
 136         }\r
 137         \r
 138         public boolean setRandomAnimation(Graph graph) {\r
 139                 return false;\r
 140         }\r
 141 \r
 142 }\r