Kirill Vainer
7 years ago
commit
7326c45ee8
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/* |
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* Copyright (c) 2017 jMonkeyEngine |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* * Neither the name of 'jMonkeyEngine' nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package com.jme3.scene; |
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|
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import com.jme3.asset.AssetManager; |
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import com.jme3.asset.DesktopAssetManager; |
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import com.jme3.asset.plugins.ClasspathLocator; |
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import com.jme3.collision.CollisionResult; |
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import com.jme3.collision.CollisionResults; |
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import com.jme3.material.Material; |
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import com.jme3.material.plugins.J3MLoader; |
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import com.jme3.math.Ray; |
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import com.jme3.math.Vector3f; |
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import com.jme3.scene.shape.Quad; |
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import org.junit.Test; |
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|
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/** |
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* Verify that collideWith() doesn't reports collisions with phantom triangles. |
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* This was issue #710 at GitHub. |
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* |
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* @author Stephen Gold |
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*/ |
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public class PhantomTrianglesTest { |
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|
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AssetManager assetManager; |
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|
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/** |
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* ray in the -Z direction, starting from (0.1, 0.2, 10) |
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*/ |
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final private Ray ray = new Ray(/* origin */new Vector3f(0.1f, 0.2f, 10f), |
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/* direction */ new Vector3f(0f, 0f, -1f)); |
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Node rootNode; |
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|
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/** |
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* Cast a ray at the geometries and report all collisions. |
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*/ |
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void castRay() { |
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CollisionResults results = new CollisionResults(); |
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rootNode.collideWith(ray, results); |
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int numResults = results.size(); |
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for (int resultI = 0; resultI < numResults; resultI++) { |
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CollisionResult result = results.getCollision(resultI); |
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Geometry geometry = result.getGeometry(); |
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String name = geometry.getName(); |
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if (name.equals("white lines")) { |
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assert false; // phantom triangle
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} |
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} |
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} |
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|
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/** |
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* Attach a red square in the XY plane with its lower left corner at (0, 0, |
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* 0). It is composed of 2 triangles. |
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*/ |
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void createRedSquare() { |
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Mesh quadMesh = new Quad(1f, 1f); |
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Geometry redSquare = new Geometry("red square", quadMesh); |
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Material red = assetManager.loadMaterial("Common/Materials/RedColor.j3m"); |
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redSquare.setMaterial(red); |
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rootNode.attachChild(redSquare); |
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} |
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|
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/** |
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* Attach a pair of parallel white lines in the z=1 plane. |
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*/ |
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void createWhiteLines() { |
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Mesh lineMesh = new Mesh(); |
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lineMesh.setMode(Mesh.Mode.Lines); |
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float[] corners = new float[]{ |
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-1f, -1f, 0f, |
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-1f, 1f, 0f, |
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1f, 1f, 0f, |
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1f, -1f, 0f |
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}; |
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lineMesh.setBuffer(VertexBuffer.Type.Position, 3, corners); |
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short[] indices = new short[]{0, 1, 2, 3}; |
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lineMesh.setBuffer(VertexBuffer.Type.Index, 2, indices); |
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lineMesh.updateBound(); |
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Geometry whiteLines = new Geometry("white lines", lineMesh); |
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Material white = assetManager.loadMaterial("Common/Materials/WhiteColor.j3m"); |
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whiteLines.setMaterial(white); |
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whiteLines.move(0f, 0f, 1f); |
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rootNode.attachChild(whiteLines); |
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} |
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|
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@Test |
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public void testPhantomTriangles() { |
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assetManager = new DesktopAssetManager(); |
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assetManager.registerLocator(null, ClasspathLocator.class); |
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assetManager.registerLoader(J3MLoader.class, "j3m", "j3md"); |
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rootNode = new Node(); |
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createRedSquare(); |
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createWhiteLines(); |
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rootNode.updateLogicalState(0.01f); |
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rootNode.updateGeometricState(); |
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castRay(); |
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} |
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} |
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@ -0,0 +1,147 @@ |
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/* |
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* Copyright (c) 2017 jMonkeyEngine |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* * Neither the name of 'jMonkeyEngine' nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package jme3test.texture; |
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|
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import com.jme3.app.SimpleApplication; |
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import com.jme3.input.KeyInput; |
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import com.jme3.input.controls.ActionListener; |
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import com.jme3.input.controls.KeyTrigger; |
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import com.jme3.material.Material; |
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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.Vector3f; |
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import com.jme3.scene.Geometry; |
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import com.jme3.scene.Mesh; |
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import com.jme3.scene.Spatial; |
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import com.jme3.scene.shape.Box; |
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import com.jme3.util.SkyFactory; |
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/** |
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* Simple application to test sky rotation with a cube-mapped sky. |
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* |
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* Press "T" to rotate the sky and floor to the camera's left. Press "Y" to |
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* rotate the sky and floor to the camera's right. Both should appear to move by |
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* the same amount in the same direction. |
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* |
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* See issue #651 for further information. |
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* |
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* @author Stephen Gold |
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*/ |
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public class TestSkyRotation extends SimpleApplication implements ActionListener { |
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/** |
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* objects visible in the scene |
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*/ |
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private Spatial floor, sky; |
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/** |
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* Y-axis rotation angle in radians |
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*/ |
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private float angle = 0f; |
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public static void main(String[] arguments) { |
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TestSkyRotation application = new TestSkyRotation(); |
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application.start(); |
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} |
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@Override |
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public void simpleInitApp() { |
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/* |
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* Configure the camera. |
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*/ |
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flyCam.setEnabled(false); |
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Vector3f location = new Vector3f(-7f, 4f, 8f); |
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cam.setLocation(location); |
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Quaternion orientation; |
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orientation = new Quaternion(0.0037f, 0.944684f, -0.01067f, 0.327789f); |
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assert FastMath.approximateEquals(orientation.norm(), 1f); |
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cam.setRotation(orientation); |
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/* |
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* Attach a cube-mapped sky to the scene graph. |
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*/ |
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sky = SkyFactory.createSky(assetManager, |
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"Scenes/Beach/FullskiesSunset0068.dds", |
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SkyFactory.EnvMapType.CubeMap); |
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rootNode.attachChild(sky); |
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/* |
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* Attach a "floor" geometry to the scene graph. |
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*/ |
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Mesh floorMesh = new Box(10f, 0.1f, 10f); |
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floor = new Geometry("floor", floorMesh); |
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Material floorMaterial = new Material(assetManager, |
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"Common/MatDefs/Misc/Unshaded.j3md"); |
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floorMaterial.setTexture("ColorMap", |
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assetManager.loadTexture("Interface/Logo/Monkey.jpg")); |
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floor.setMaterial(floorMaterial); |
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rootNode.attachChild(floor); |
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/* |
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* Configure mappings and listeners for keyboard input. |
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*/ |
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inputManager.addMapping("left", new KeyTrigger(KeyInput.KEY_T)); |
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inputManager.addMapping("right", new KeyTrigger(KeyInput.KEY_Y)); |
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inputManager.addListener(this, "left"); |
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inputManager.addListener(this, "right"); |
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} |
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/** |
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* Handle an input action from the user. |
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* |
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* @param name the name of the action |
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* @param ongoing true→depress key, false→release key |
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* @param ignored |
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*/ |
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@Override |
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public void onAction(String name, boolean ongoing, float ignored) { |
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if (!ongoing) { |
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return; |
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} |
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/* |
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* Update the Y-axis rotation angle based on which key was pressed. |
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*/ |
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if (name.equals("left")) { |
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angle += 0.1f; // radians
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System.out.print("rotate floor and sky leftward ..."); |
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} else if (name.equals("right")) { |
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angle -= 0.1f; // radians
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System.out.printf("rotate floor and sky spatials rightward ..."); |
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} else { |
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return; |
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} |
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/* |
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* Update the local rotations of both objects based on the angle. |
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*/ |
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System.out.printf(" to %.1f radians left of start%n", angle); |
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Quaternion rotation = new Quaternion(); |
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rotation.fromAngleNormalAxis(angle, Vector3f.UNIT_Y); |
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floor.setLocalRotation(rotation); |
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sky.setLocalRotation(rotation); |
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} |
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} |
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@ -0,0 +1,58 @@ |
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package com.jme3.scene.plugins.gltf; |
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import com.jme3.asset.AssetInfo; |
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import com.jme3.util.LittleEndien; |
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import java.io.*; |
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import java.util.ArrayList; |
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/** |
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* Created by Nehon on 12/09/2017. |
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*/ |
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public class GlbLoader extends GltfLoader { |
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private static final int GLTF_MAGIC = 0x46546C67; |
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private static final int JSON_TYPE = 0x4E4F534A; |
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private static final int BIN_TYPE = 0x004E4942; |
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private ArrayList<byte[]> data = new ArrayList<>(); |
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@Override |
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public Object load(AssetInfo assetInfo) throws IOException { |
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LittleEndien stream = new LittleEndien(new DataInputStream(assetInfo.openStream())); |
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int magic = stream.readInt(); |
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int version = stream.readInt(); |
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int length = stream.readInt(); |
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System.err.println(magic == GLTF_MAGIC ? "gltf" : "no no no"); |
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System.err.println(version); |
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System.err.println(length); |
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byte[] json = null; |
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//length is the total size, we have to remove the header size (3 integers = 12 bytes).
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length -= 12; |
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while (length > 0) { |
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int chunkLength = stream.readInt(); |
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int chunkType = stream.readInt(); |
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if (chunkType == JSON_TYPE) { |
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json = new byte[chunkLength]; |
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stream.read(json); |
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System.err.println(new String(json)); |
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} else { |
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byte[] bin = new byte[chunkLength]; |
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stream.read(bin); |
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data.add(bin); |
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} |
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//8 is the byte size of the 2 ints chunkLength and chunkType.
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length -= chunkLength + 8; |
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} |
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return loadFromStream(assetInfo, new ByteArrayInputStream(json)); |
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} |
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@Override |
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protected byte[] getBytes(int bufferIndex, String uri, Integer bufferLength) throws IOException { |
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return data.get(bufferIndex); |
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} |
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} |
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