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testcases and fix for issue #357

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This commit is contained in:
Stephen Gold 2017-07-06 22:01:57 -07:00
parent e860fa6ce6
commit 8530b60294
3 changed files with 195 additions and 10 deletions
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22
jme3-core/src/main/java/com/jme3/renderer/Camera.java
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@ -440,23 +440,25 @@ public class Camera implements Savable, Cloneable {
}
/**
* Resizes this camera's view with the given width and height. This is
* similar to constructing a new camera, but reusing the same Object. This
* method is called by an associated {@link RenderManager} to notify the camera of
* changes in the display dimensions.
* Resize this camera's view for the specified display size. Invoked by an
* associated {@link RenderManager} to notify the camera of changes to the
* display dimensions.
*
* @param width the view width
* @param height the view height
* @param fixAspect If true, the camera's aspect ratio will be recomputed.
* Recomputing the aspect ratio requires changing the frustum values.
* @param width the new width of the display, in pixels
* @param height the new height of the display, in pixels
* @param fixAspect if true, recompute the camera's frustum to preserve its
* prior aspect ratio
*/
public void resize(int width, int height, boolean fixAspect) {
this.width = width;
this.height = height;
onViewPortChange();
if (fixAspect /*&& !parallelProjection*/) {
frustumRight = frustumTop * ((float) width / height);
if (fixAspect) {
float h = height * (viewPortTop - viewPortBottom);
float w = width * (viewPortRight - viewPortLeft);
float aspectRatio = w / h;
frustumRight = frustumTop * aspectRatio;
frustumLeft = -frustumRight;
onFrustumChange();
}

68
jme3-examples/src/main/java/jme3test/renderer/TestAspectRatio.java Normal file
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@ -0,0 +1,68 @@
/*
* Copyright (c) 2009-2017 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.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.scene.Geometry;
import com.jme3.scene.shape.Box;
/**
* Simple application to an test a viewport/camera with a different aspect ratio
* than the display -- issue #357. The cube should render as a blue square, not
* a rectangle.
*
* Based closely on the test case submitted by slyh on September 28, 2015.
*/
public class TestAspectRatio extends SimpleApplication {
public static void main(String[] args) {
new TestAspectRatio().start();
}
@Override
public void simpleInitApp() {
Geometry cube = new Geometry("blue cube", new Box(1, 1, 1));
Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
mat.setColor("Color", ColorRGBA.Blue);
cube.setMaterial(mat);
rootNode.attachChild(cube);
// Trying to update the viewport:
cam.setViewPortBottom(0.5f);
cam.resize(640, 480 / 2, false);
cam.setFrustumPerspective(40, 640f / (480 / 2), 0.05f, 500f);
cam.update();
}
}

115
jme3-examples/src/main/java/jme3test/renderer/TestSplitScreen.java Normal file
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@ -0,0 +1,115 @@
/*
* Copyright (c) 2009-2017 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.MouseInput;
import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.MouseButtonTrigger;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.renderer.Camera;
import com.jme3.renderer.ViewPort;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.shape.Box;
/**
* Simple application to test split-screen rendering. Clicking with LMB toggles
* between a single camera/viewport (cam) and split screen (leftCam plus
* rightCam). See issue #357.
*/
public class TestSplitScreen extends SimpleApplication implements ActionListener {
boolean splitScreen = false;
Box mesh = new Box(1f, 1f, 1f);
Camera leftCam, rightCam;
Node leftScene = new Node("left scene");
ViewPort leftView, rightView;
@Override
public void simpleInitApp() {
flyCam.setEnabled(false);
Geometry blueBox = new Geometry("blue box", mesh);
Material blueMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
blueMat.setColor("Color", ColorRGBA.Blue);
blueBox.setMaterial(blueMat);
rootNode.attachChild(blueBox);
rightCam = cam.clone();
rightCam.setViewPort(0.5f, 1f, 0f, 1f);
rightView = renderManager.createMainView("right", rightCam);
rightView.setClearFlags(true, true, true);
rightView.setEnabled(false);
rightView.attachScene(rootNode);
Geometry redBox = new Geometry("red box", mesh);
Material redMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
redMat.setColor("Color", ColorRGBA.Red);
redBox.setMaterial(redMat);
leftScene.attachChild(redBox);
leftCam = cam.clone();
leftCam.setViewPort(0f, 0.5f, 0f, 1f);
leftView = renderManager.createMainView("left", leftCam);
leftView.setClearFlags(true, true, true);
leftView.setEnabled(false);
leftView.attachScene(leftScene);
inputManager.addMapping("lmb", new MouseButtonTrigger(MouseInput.BUTTON_LEFT));
inputManager.addListener(this, "lmb");
}
@Override
public void onAction(String name, boolean keyPressed, float tpf) {
if (name.equals("lmb") && !keyPressed) {
splitScreen = !splitScreen;
viewPort.setEnabled(!splitScreen);
leftView.setEnabled(splitScreen);
rightView.setEnabled(splitScreen);
}
}
@Override
public void simpleUpdate(float tpf) {
leftScene.updateLogicalState(tpf);
leftScene.updateGeometricState();
}
public static void main(String[] args) {
TestSplitScreen app = new TestSplitScreen();
app.start();
}
}