Merge pull request #263 from Dokthar/scenecomposer/master
SDK SceneComposer - 3D scale and rotate toolexperimental
normen
10 years ago
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fec5764c34
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/* |
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* To change this license header, choose License Headers in Project Properties. |
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* To change this template file, choose Tools | Templates |
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* and open the template in the editor. |
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*/ |
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package com.jme3.gde.scenecomposer.tools; |
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import com.jme3.gde.scenecomposer.SceneEditTool; |
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import com.jme3.math.FastMath; |
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import com.jme3.math.Quaternion; |
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import com.jme3.math.Vector2f; |
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import com.jme3.math.Vector3f; |
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import com.jme3.renderer.Camera; |
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import com.jme3.scene.Geometry; |
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import com.jme3.scene.Node; |
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import com.jme3.scene.Spatial; |
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import com.jme3.scene.shape.Quad; |
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import org.openide.util.lookup.ServiceProvider; |
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/** |
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* |
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* @author dokthar |
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*/ |
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@ServiceProvider(service = PickManager.class) |
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public class PickManager { |
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private Vector3f startPickLoc; |
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private Vector3f finalPickLoc; |
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private Vector3f startSpatialLocation; |
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private Quaternion origineRotation; |
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private final Node plane; |
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private Spatial spatial; |
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protected static final Quaternion PLANE_XY = new Quaternion().fromAngleAxis(0, new Vector3f(1, 0, 0)); |
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protected static final Quaternion PLANE_YZ = new Quaternion().fromAngleAxis(-FastMath.PI / 2, new Vector3f(0, 1, 0));//YAW090
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protected static final Quaternion PLANE_XZ = new Quaternion().fromAngleAxis(FastMath.PI / 2, new Vector3f(1, 0, 0)); //PITCH090
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public enum TransformationType { |
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local, global, camera |
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} |
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public PickManager() { |
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float size = 1000; |
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Geometry g = new Geometry("plane", new Quad(size, size)); |
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g.setLocalTranslation(-size / 2, -size / 2, 0); |
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plane = new Node(); |
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plane.attachChild(g); |
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} |
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public void reset() { |
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startPickLoc = null; |
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finalPickLoc = null; |
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startSpatialLocation = null; |
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spatial = null; |
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} |
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public void initiatePick(Spatial selectedSpatial, Quaternion planeRotation, TransformationType type, Camera camera, Vector2f screenCoord) { |
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spatial = selectedSpatial; |
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startSpatialLocation = selectedSpatial.getWorldTranslation().clone(); |
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setTransformation(planeRotation, type); |
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plane.setLocalTranslation(startSpatialLocation); |
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startPickLoc = SceneEditTool.pickWorldLocation(camera, screenCoord, plane, null); |
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} |
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public void setTransformation(Quaternion planeRotation, TransformationType type) { |
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Quaternion rot = new Quaternion(); |
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if (type == TransformationType.local) { |
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rot.set(spatial.getWorldRotation()); |
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rot.multLocal(planeRotation); |
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origineRotation = spatial.getWorldRotation().clone(); |
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} else if (type == TransformationType.global) { |
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rot.set(planeRotation); |
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origineRotation = new Quaternion(Quaternion.IDENTITY); |
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} else if (type == TransformationType.camera) { |
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rot.set(planeRotation); |
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origineRotation = planeRotation.clone(); |
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} |
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plane.setLocalRotation(rot); |
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} |
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public boolean updatePick(Camera camera, Vector2f screenCoord) { |
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finalPickLoc = SceneEditTool.pickWorldLocation(camera, screenCoord, plane, null); |
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return finalPickLoc != null; |
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} |
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/** |
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* |
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* @return the start location in WorldSpace |
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*/ |
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public Vector3f getStartLocation() { |
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return startSpatialLocation; |
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} |
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/** |
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* |
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* @return the vector from the tool origin to the start location, in |
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* WorldSpace |
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*/ |
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public Vector3f getStartOffset() { |
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return startPickLoc.subtract(startSpatialLocation); |
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} |
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/** |
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* |
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* @return the vector from the tool origin to the final location, in |
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* WorldSpace |
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*/ |
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public Vector3f getFinalOffset() { |
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return finalPickLoc.subtract(startSpatialLocation); |
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} |
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/** |
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* |
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* @return the angle between the start location and the final location |
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*/ |
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public float getAngle() { |
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Vector3f v1, v2; |
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v1 = startPickLoc.subtract(startSpatialLocation); |
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v2 = finalPickLoc.subtract(startSpatialLocation); |
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return v1.angleBetween(v2); |
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} |
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/** |
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* |
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* @return the Quaternion rotation in the WorldSpace |
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*/ |
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public Quaternion getRotation() { |
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Vector3f v1, v2; |
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v1 = startPickLoc.subtract(startSpatialLocation).normalize(); |
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v2 = finalPickLoc.subtract(startSpatialLocation).normalize(); |
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Vector3f axis = v1.cross(v2); |
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float angle = v1.angleBetween(v2); |
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return new Quaternion().fromAngleAxis(angle, axis); |
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} |
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/** |
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* |
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* @return the Quaternion rotation in the ToolSpace |
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*/ |
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public Quaternion getLocalRotation() { |
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Vector3f v1, v2; |
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Quaternion rot = origineRotation.inverse(); |
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v1 = rot.mult(startPickLoc.subtract(startSpatialLocation).normalize()); |
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v2 = rot.mult(finalPickLoc.subtract(startSpatialLocation).normalize()); |
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Vector3f axis = v1.cross(v2); |
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float angle = v1.angleBetween(v2); |
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return new Quaternion().fromAngleAxis(angle, axis); |
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} |
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/** |
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* |
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* @return the translation in WorldSpace |
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*/ |
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public Vector3f getTranslation() { |
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return finalPickLoc.subtract(startPickLoc); |
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} |
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/** |
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* |
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* @param axisConstrainte |
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* @return |
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*/ |
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public Vector3f getTranslation(Vector3f axisConstrainte) { |
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Vector3f localConstrainte = (origineRotation.mult(axisConstrainte)).normalize(); // according to the "plane" rotation
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Vector3f constrainedTranslation = localConstrainte.mult(getTranslation().dot(localConstrainte)); |
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return constrainedTranslation; |
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} |
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/** |
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* |
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* @param axisConstrainte |
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* @return |
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*/ |
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public Vector3f getLocalTranslation(Vector3f axisConstrainte) { |
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//return plane.getWorldRotation().inverse().mult(getTranslation(axisConstrainte));
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return getTranslation(origineRotation.inverse().mult(axisConstrainte)); |
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} |
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} |
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