git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9223 75d07b2b-3a1a-0410-a2c5-0572b91ccdca3.0
rem..om
13 years ago
parent
787e912591
commit
5671358657
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uniform sampler2D m_DepthTexture; |
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uniform float m_Softness; // Power used in the contrast function |
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varying vec2 vPos; // Position of the pixel |
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varying vec2 projPos;// z and w valus in projection space |
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#ifdef USE_TEXTURE |
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uniform sampler2D m_Texture; |
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varying vec4 texCoord; |
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#endif |
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varying vec4 color; |
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float Contrast(float d){ |
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float val = clamp( 2.0*( (d > 0.5) ? 1.0-d : d ), 0.0, 1.0); |
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float a = 0.5 * pow(val, m_Softness); |
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return (d > 0.5) ? 1.0 - a : a; |
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} |
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float stdDiff(float d){ |
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return clamp((d)*m_Softness,0.0,1.0); |
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} |
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void main(){ |
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if (color.a <= 0.01) |
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discard; |
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vec4 c = vec4(1.0,1.0,1.0,1.0);//color; |
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#ifdef USE_TEXTURE |
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#ifdef POINT_SPRITE |
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vec2 uv = mix(texCoord.xy, texCoord.zw, gl_PointCoord.xy); |
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#else |
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vec2 uv = texCoord.xy; |
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#endif |
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c = texture2D(m_Texture, uv) * color; |
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#endif |
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float depthv = texture2D(m_DepthTexture, vPos).x*2.0-1.0; // Scene depth |
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depthv*=projPos.y; |
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float particleDepth = projPos.x; |
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float zdiff =depthv-particleDepth; |
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if(zdiff<=0.0){ |
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discard; |
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} |
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// Computes alpha based on the particles distance to the rest of the scene |
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c.a = c.a * stdDiff(zdiff);// Contrast(zdiff); |
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gl_FragColor =c; |
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} |
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uniform mat4 g_WorldViewProjectionMatrix; |
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attribute vec3 inPosition; |
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attribute vec4 inColor; |
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attribute vec4 inTexCoord; |
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varying vec4 color; |
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// z and w values in projection space |
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varying vec2 projPos; |
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varying vec2 vPos; // Position of the pixel in clip space |
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#ifdef USE_TEXTURE |
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varying vec4 texCoord; |
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#endif |
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#ifdef POINT_SPRITE |
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uniform mat4 g_WorldViewMatrix; |
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uniform mat4 g_WorldMatrix; |
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uniform vec3 g_CameraPosition; |
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uniform float m_Quadratic; |
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const float SIZE_MULTIPLIER = 4.0; |
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attribute float inSize; |
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#endif |
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void main(){ |
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vec4 pos = vec4(inPosition, 1.0); |
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gl_Position = g_WorldViewProjectionMatrix * pos; |
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color = inColor; |
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projPos = gl_Position.zw; |
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// projPos.x = 0.5 * (projPos.x) + 0.5; |
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// Transforms the vPosition data to the range [0,1] |
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vPos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0; |
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#ifdef USE_TEXTURE |
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texCoord = inTexCoord; |
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#endif |
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#ifdef POINT_SPRITE |
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vec4 worldPos = g_WorldMatrix * pos; |
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float d = distance(g_CameraPosition.xyz, worldPos.xyz); |
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gl_PointSize = max(1.0, (inSize * SIZE_MULTIPLIER * m_Quadratic) / d); |
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//vec4 worldViewPos = g_WorldViewMatrix * pos; |
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//gl_PointSize = (inSize * SIZE_MULTIPLIER * m_Quadratic)*100.0 / worldViewPos.z; |
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color.a *= min(gl_PointSize, 1.0); |
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#endif |
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} |
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@ -0,0 +1,130 @@ |
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/* |
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* To change this template, choose Tools | Templates |
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* and open the template in the editor. |
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*/ |
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package jme3test.effect; |
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import com.jme3.app.SimpleApplication; |
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import com.jme3.effect.ParticleEmitter; |
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import com.jme3.effect.ParticleMesh; |
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import com.jme3.effect.shapes.EmitterSphereShape; |
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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.ColorRGBA; |
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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.post.FilterPostProcessor; |
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import com.jme3.post.filters.TranslucentBucketFilter; |
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import com.jme3.scene.Geometry; |
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import com.jme3.scene.shape.Box; |
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/** |
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* |
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* @author Nehon |
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*/ |
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public class TestSoftParticles extends SimpleApplication { |
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private boolean softParticles = true; |
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private FilterPostProcessor fpp; |
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private TranslucentBucketFilter tbf; |
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public static void main(String[] args) { |
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TestSoftParticles app = new TestSoftParticles(); |
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app.start(); |
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} |
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@Override |
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public void simpleInitApp() { |
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cam.setLocation(new Vector3f(-7.2221026f, 4.1183004f, 7.759811f)); |
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cam.setRotation(new Quaternion(0.06152846f, 0.91236454f, -0.1492115f, 0.37621948f)); |
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flyCam.setMoveSpeed(10); |
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// -------- floor
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Box b = new Box(Vector3f.ZERO, 10, 0.1f, 10); |
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Geometry geom = new Geometry("Box", b); |
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Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md"); |
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mat.setColor("Color", ColorRGBA.Gray); |
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mat.setTexture("ColorMap", assetManager.loadTexture("Interface/Logo/Monkey.jpg")); |
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geom.setMaterial(mat); |
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rootNode.attachChild(geom); |
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Box b2 = new Box(Vector3f.ZERO, 1, 1, 1); |
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Geometry geom2 = new Geometry("Box", b2); |
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Material mat2 = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md"); |
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mat2.setColor("Color", ColorRGBA.DarkGray); |
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geom2.setMaterial(mat2); |
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rootNode.attachChild(geom2); |
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geom2.setLocalScale(0.1f, 0.2f, 1); |
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fpp = new FilterPostProcessor(assetManager); |
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tbf = new TranslucentBucketFilter(true); |
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fpp.addFilter(tbf); |
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viewPort.addProcessor(fpp); |
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Material material = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md"); |
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material.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flame.png")); |
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material.setFloat("Softness", 3f); //
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//Fire
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ParticleEmitter fire = new ParticleEmitter("Fire", ParticleMesh.Type.Triangle, 30); |
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fire.setMaterial(material); |
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fire.setShape(new EmitterSphereShape(Vector3f.ZERO, 0.1f)); |
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fire.setImagesX(2); |
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fire.setImagesY(2); // 2x2 texture animation
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fire.setEndColor(new ColorRGBA(1f, 0f, 0f, 1f)); // red
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fire.setStartColor(new ColorRGBA(1f, 1f, 0f, 0.5f)); // yellow
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fire.setStartSize(0.6f); |
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fire.setEndSize(0.01f); |
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fire.setGravity(0, -0.3f, 0); |
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fire.setLowLife(0.5f); |
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fire.setHighLife(3f); |
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fire.setLocalTranslation(0, 0.2f, 0); |
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rootNode.attachChild(fire); |
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ParticleEmitter smoke = new ParticleEmitter("Smoke", ParticleMesh.Type.Triangle, 30); |
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smoke.setMaterial(material); |
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smoke.setShape(new EmitterSphereShape(Vector3f.ZERO, 5)); |
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smoke.setImagesX(1); |
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smoke.setImagesY(1); // 2x2 texture animation
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smoke.setStartColor(new ColorRGBA(0.1f, 0.1f, 0.1f,1f)); // dark gray
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smoke.setEndColor(new ColorRGBA(0.5f, 0.5f, 0.5f, 0.3f)); // gray
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smoke.setStartSize(3f); |
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smoke.setEndSize(5f); |
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smoke.setGravity(0, -0.001f, 0); |
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smoke.setLowLife(100f); |
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smoke.setHighLife(100f); |
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smoke.setLocalTranslation(0, 0.1f, 0); |
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smoke.emitAllParticles(); |
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rootNode.attachChild(smoke); |
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inputManager.addListener(new ActionListener() { |
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public void onAction(String name, boolean isPressed, float tpf) { |
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if(isPressed && name.equals("toggle")){ |
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// tbf.setEnabled(!tbf.isEnabled());
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softParticles = !softParticles; |
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if(softParticles){ |
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viewPort.addProcessor(fpp); |
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}else{ |
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viewPort.removeProcessor(fpp); |
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} |
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} |
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} |
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}, "toggle"); |
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inputManager.addMapping("toggle", new KeyTrigger(KeyInput.KEY_SPACE)); |
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} |
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} |
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