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+/*
+ * Copyright (c) 2009-2010 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package jme3test.renderer;
+
+import com.jme3.app.SimpleApplication;
+import com.jme3.input.KeyInput;
+import com.jme3.input.controls.AnalogListener;
+import com.jme3.input.controls.KeyTrigger;
+import com.jme3.light.DirectionalLight;
+import com.jme3.math.ColorRGBA;
+import com.jme3.math.Vector3f;
+import com.jme3.scene.Geometry;
+
+public class TestParallelProjection extends SimpleApplication implements AnalogListener {
+
+ private float frustumSize = 1;
+
+ public static void main(String[] args){
+ TestParallelProjection app = new TestParallelProjection();
+ app.start();
+ }
+
+ public void simpleInitApp() {
+ Geometry teaGeom = (Geometry) assetManager.loadModel("Models/Teapot/Teapot.obj");
+
+ DirectionalLight dl = new DirectionalLight();
+ dl.setColor(ColorRGBA.White);
+ dl.setDirection(Vector3f.UNIT_XYZ.negate());
+
+ rootNode.addLight(dl);
+ rootNode.attachChild(teaGeom);
+
+ // Setup first view
+ cam.setParallelProjection(true);
+ float aspect = (float) cam.getWidth() / cam.getHeight();
+ cam.setFrustum(-1000, 1000, -aspect * frustumSize, aspect * frustumSize, frustumSize, -frustumSize);
+
+ inputManager.addListener(this, "Size+", "Size-");
+ inputManager.addMapping("Size+", new KeyTrigger(KeyInput.KEY_W));
+ inputManager.addMapping("Size-", new KeyTrigger(KeyInput.KEY_S));
+ }
+
+ public void onAnalog(String name, float value, float tpf) {
+ // Instead of moving closer/farther to object, we zoom in/out.
+ if (name.equals("Size-"))
+ frustumSize += 0.3f * tpf;
+ else
+ frustumSize -= 0.3f * tpf;
+
+ float aspect = (float) cam.getWidth() / cam.getHeight();
+ cam.setFrustum(-1000, 1000, -aspect * frustumSize, aspect * frustumSize, frustumSize, -frustumSize);
+ }
+}