svn-gvsig-desktop / import / ext3D / branches / ext3D_v1.1 / extAnimation3D / src / com / iver / cit / gvsig / animation / Interpolator3DFlat.java @ 15466
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package com.iver.cit.gvsig.animation; |
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import java.util.List; |
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import com.iver.ai2.gvsig3d.camera.ProjectCamera; |
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import com.iver.ai2.gvsig3d.gui.View3D; |
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import com.iver.cit.gvsig.animation.keyframe.IKeyFrame; |
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import com.iver.cit.gvsig.animation.keyframe.interpolator.IInterpolator; |
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import com.iver.cit.gvsig.animation.keyframe.interpolator.IInterpolatorFuntion; |
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import es.upv.ai2.libjosg.Vec3; |
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import es.upv.ai2.libjosg.viewer.Camera; |
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public class Interpolator3DFlat implements IInterpolator { |
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public View3D view;
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private IInterpolatorFuntion funtion;
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public IKeyFrame interpolate(List kfList, int index, double time) { |
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KeyFrame3DFlat KF = new KeyFrame3DFlat();
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if (kfList == null) |
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return null; |
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if (this.view == null) |
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return null; |
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// convert the time in the new time using funtion
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double newTime = this.getFuntion().interpolate(time); |
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switch (kfList.size()) {
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// this case when there are only has 2 keyframes
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case 2: |
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// getting the keyframes
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KeyFrame3DFlat kf1 = (KeyFrame3DFlat) kfList.get(0);
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KeyFrame3DFlat kf2 = (KeyFrame3DFlat) kfList.get(1);
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if (index == 1) { |
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KeyFrame3DFlat kaux = kf1; |
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kf1 = kf2; |
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kf2 = kaux; |
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} |
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if ((kf1 == null) ||(kf2 == null)) |
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return null; |
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ProjectCamera vp1 = (ProjectCamera) kf1.getAnimatedObject(); |
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ProjectCamera vp2 = (ProjectCamera) kf2.getAnimatedObject(); |
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// ViewPort vp = view.getMapControl().getViewPort();
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Camera cam1 = vp1.getCamera(); |
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Camera cam2 = vp2.getCamera(); |
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double time1 = kf1.getTime();
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double time2 = kf2.getTime();
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Vec3 eye = linearInterpolate(cam1.getEye(), cam2.getEye(), time1, time2, newTime); |
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Vec3 center = linearInterpolate(cam1.getCenter(), cam2.getCenter(), time1, time2, newTime); |
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// Vec3 center = new Vec3(eye.x(),eye.y(),0.0);
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Vec3 up = linearInterpolate(cam1.getUp(), cam2.getUp(), time1, time2, newTime); |
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Camera newCamera = new Camera();
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// newCamera.setViewByLookAt(eye, center, cam1.getUp());
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newCamera.setViewByLookAt(eye, center, up); |
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ProjectCamera pe = new ProjectCamera();
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pe.setCamera(newCamera); |
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KF.setName("temporal_keyframe");
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// vp.setExtent(newExtent);
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KF.setAnimatedObject(pe); |
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break;
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} |
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return KF;
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} |
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private double linearInterpolate(double minX, double minX2, double timePos, |
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double timePos2, double time) { |
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// P1 + (P2-P1)*((t-t1)/(t2-t1))
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return (minX + (minX2 - minX)
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* ((time - timePos) / (timePos2 - timePos))); |
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} |
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private Vec3 linearInterpolate(Vec3 minX, Vec3 minX2, double timePos, |
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double timePos2, double time) { |
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Vec3 result = new Vec3();
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double ele1 = linearInterpolate(minX.x(), minX2.x(), timePos, timePos2,
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time); |
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double ele2 = linearInterpolate(minX.y(), minX2.y(), timePos, timePos2,
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time); |
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double ele3 = linearInterpolate(minX.z(), minX2.z(), timePos, timePos2,
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time); |
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result.setX(ele1); |
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result.setY(ele2); |
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result.setZ(ele3); |
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return result;
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} |
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public Object getAnimatedObject() { |
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return this.view; |
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} |
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public void setAnimatedObject(Object ani) { |
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this.view = (View3D) ani;
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} |
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public IInterpolatorFuntion getFuntion() {
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return this.funtion; |
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} |
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public void setFuntion(IInterpolatorFuntion funtion) { |
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this.funtion = funtion;
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} |
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} |