List of usage examples for com.badlogic.gdx.graphics GL20 GL_SRC_ALPHA
int GL_SRC_ALPHA
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From source file:com.bladecoder.engine.util.Utils3D.java
License:Apache License
public static void createFloor() { ModelBuilder modelBuilder = new ModelBuilder(); modelBuilder.begin();/*from w ww .j av a 2 s. com*/ MeshPartBuilder mpb = modelBuilder.part("parts", GL20.GL_TRIANGLES, Usage.Position | Usage.Normal | Usage.ColorUnpacked, new Material(ColorAttribute.createDiffuse(Color.WHITE))); mpb.setColor(1f, 1f, 1f, 1f); // mpb.box(0, -0.1f, 0, 10, .2f, 10); mpb.rect(-10, 0, -10, -10, 0, 10, 10, 0, 10, 10, 0, -10, 0, 1, 0); floorModel = modelBuilder.end(); floorInstance = new ModelInstance(floorModel); // TODO Set only when FBO is active floorInstance.materials.get(0).set(new BlendingAttribute(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA)); }
From source file:com.bmnb.fly_dragonfly.graphics.GameParticleEmitter.java
License:Apache License
/** Updates and draws the particles. This is slightly more efficient than calling {@link #update(float)} and * {@link #draw(SpriteBatch)} separately. */ public void draw(SpriteBatch spriteBatch, float delta) { accumulator += Math.min(delta * 1000, 250); if (accumulator < 1) { draw(spriteBatch);/* www .ja v a2 s. c o m*/ return; } // com.badlogic.gdx.graphics.g2d.ParticleEmitter int deltaMillis = (int) accumulator; accumulator -= deltaMillis; if (additive) spriteBatch.setBlendFunction(GL20.GL_SRC_ALPHA, GL20.GL_ONE); Particle[] particles = this.particles; boolean[] active = this.active; int activeCount = this.activeCount; for (int i = 0, n = active.length; i < n; i++) { if (active[i]) { Particle particle = particles[i]; if (updateParticle(particle, delta, deltaMillis) && !particle.isDead()) particle.draw(spriteBatch); else { particle.kill(); active[i] = false; activeCount--; } } } this.activeCount = activeCount; if (additive) spriteBatch.setBlendFunction(GL10.GL_SRC_ALPHA, GL10.GL_ONE_MINUS_SRC_ALPHA); if (delayTimer < delay) { delayTimer += deltaMillis; return; } if (firstUpdate) { firstUpdate = false; addParticle(); } if (durationTimer < duration) durationTimer += deltaMillis; else { if (!continuous || allowCompletion) return; restart(); } emissionDelta += deltaMillis; float emissionTime = emission + emissionDiff * emissionValue.getScale(durationTimer / (float) duration); if (emissionTime > 0) { emissionTime = 1000 / emissionTime; if (emissionDelta >= emissionTime) { int emitCount = (int) (emissionDelta / emissionTime); emitCount = Math.min(emitCount, maxParticleCount - activeCount); emissionDelta -= emitCount * emissionTime; emissionDelta %= emissionTime; addParticles(emitCount); } } if (activeCount < minParticleCount) addParticles(minParticleCount - activeCount); }
From source file:com.box2dLight.box2dLight.LightMap.java
License:Apache License
public void render(Matrix4 combined, float x1, float x2, float y1, float y2) { boolean needed = rayHandler.lightRenderedLastFrame > 0; // this way lot less binding if (needed && rayHandler.blur) gaussianBlur();/*w ww .j a v a2s . co m*/ if (lightMapDrawingDisabled) { return; } frameBuffer.getColorBufferTexture().bind(0); // at last lights are rendered over scene if (rayHandler.shadows) { final Color c = rayHandler.ambientLight; ShaderProgram shader = shadowShader; if (RayHandler.isDiffuse) { shader = diffuseShader; shader.begin(); Gdx.gl20.glBlendFunc(GL20.GL_DST_COLOR, GL20.GL_SRC_COLOR); shader.setUniformf("ambient", c.r, c.g, c.b, c.a); } else { shader.begin(); Gdx.gl20.glBlendFunc(GL20.GL_ONE, GL20.GL_ONE_MINUS_SRC_ALPHA); shader.setUniformf("ambient", c.r * c.a, c.g * c.a, c.b * c.a, 1f - c.a); } lightMapMesh.render(shader, GL20.GL_TRIANGLE_FAN); shader.end(); } else if (needed) { Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE); withoutShadowShader.begin(); // withoutShadowShader.setUniformi("u_texture", 0); lightMapMesh.render(withoutShadowShader, GL20.GL_TRIANGLE_FAN); withoutShadowShader.end(); } Gdx.gl20.glDisable(GL20.GL_BLEND); }
From source file:com.box2dLight.box2dLight.RayHandler.java
License:Apache License
/** Manual rendering method for all lights. * /*w w w. j ava 2 s. com*/ * NOTE! Remember to call updateRays if you use this method. * Remember setCombinedMatrix(Matrix4 combined) before drawing. * * * Don't call this inside of any begin/end statements. Call this method after you have rendered background but before UI. Box2d * bodies can be rendered before or after depending how you want x-ray light interact with bodies */ public void render() { lightRenderedLastFrame = 0; Gdx.gl.glDepthMask(false); Gdx.gl.glEnable(GL20.GL_BLEND); Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE); renderWithShaders(); }
From source file:com.company.minery.utils.spine.SkeletonRenderer.java
License:Open Source License
@SuppressWarnings("null") public void draw(PolygonSpriteBatch batch, Skeleton skeleton) { boolean premultipliedAlpha = this.premultipliedAlpha; int srcFunc = premultipliedAlpha ? GL20.GL_ONE : GL20.GL_SRC_ALPHA; batch.setBlendFunction(srcFunc, GL20.GL_ONE_MINUS_SRC_ALPHA); boolean additive = false; float[] vertices = null; short[] triangles = null; Array<Slot> drawOrder = skeleton.drawOrder; for (int i = 0, n = drawOrder.size; i < n; i++) { Slot slot = drawOrder.get(i);// w w w . j ava 2s. c o m Attachment attachment = slot.attachment; Texture texture = null; if (attachment instanceof RegionAttachment) { RegionAttachment region = (RegionAttachment) attachment; region.updateWorldVertices(slot, premultipliedAlpha); vertices = region.getWorldVertices(); triangles = quadTriangles; texture = region.getRegion().getTexture(); } else if (attachment instanceof MeshAttachment) { MeshAttachment mesh = (MeshAttachment) attachment; mesh.updateWorldVertices(slot, premultipliedAlpha); vertices = mesh.getWorldVertices(); triangles = mesh.getTriangles(); texture = mesh.getRegion().getTexture(); } else if (attachment instanceof SkinnedMeshAttachment) { SkinnedMeshAttachment mesh = (SkinnedMeshAttachment) attachment; mesh.updateWorldVertices(slot, premultipliedAlpha); vertices = mesh.getWorldVertices(); triangles = mesh.getTriangles(); texture = mesh.getRegion().getTexture(); } else if (attachment instanceof SkeletonAttachment) { Skeleton attachmentSkeleton = ((SkeletonAttachment) attachment).getSkeleton(); if (attachmentSkeleton == null) continue; Bone bone = slot.getBone(); Bone rootBone = attachmentSkeleton.getRootBone(); float oldScaleX = rootBone.getScaleX(); float oldScaleY = rootBone.getScaleY(); float oldRotation = rootBone.getRotation(); attachmentSkeleton.setPosition(skeleton.getX() + bone.getWorldX(), skeleton.getY() + bone.getWorldY()); rootBone.setScaleX(1 + bone.getWorldScaleX() - oldScaleX); rootBone.setScaleY(1 + bone.getWorldScaleY() - oldScaleY); rootBone.setRotation(oldRotation + bone.getWorldRotation()); attachmentSkeleton.updateWorldTransform(); draw(batch, attachmentSkeleton); attachmentSkeleton.setPosition(0, 0); rootBone.setScaleX(oldScaleX); rootBone.setScaleY(oldScaleY); rootBone.setRotation(oldRotation); } if (texture != null) { if (slot.data.getAdditiveBlending() != additive) { additive = !additive; if (additive) batch.setBlendFunction(srcFunc, GL20.GL_ONE); else batch.setBlendFunction(srcFunc, GL20.GL_ONE_MINUS_SRC_ALPHA); } batch.draw(texture, vertices, 0, vertices.length, triangles, 0, triangles.length); } } }
From source file:com.company.minery.utils.spine.SkeletonRenderer.java
License:Open Source License
public void draw(Batch batch, Skeleton skeleton) { boolean premultipliedAlpha = this.premultipliedAlpha; int srcFunc = premultipliedAlpha ? GL20.GL_ONE : GL20.GL_SRC_ALPHA; batch.setBlendFunction(srcFunc, GL20.GL_ONE_MINUS_SRC_ALPHA); boolean additive = false; Array<Slot> drawOrder = skeleton.drawOrder; for (int i = 0, n = drawOrder.size; i < n; i++) { Slot slot = drawOrder.get(i);/*from www.java 2 s . co m*/ Attachment attachment = slot.attachment; if (attachment instanceof RegionAttachment) { RegionAttachment regionAttachment = (RegionAttachment) attachment; regionAttachment.updateWorldVertices(slot, premultipliedAlpha); float[] vertices = regionAttachment.getWorldVertices(); if (slot.data.getAdditiveBlending() != additive) { additive = !additive; if (additive) batch.setBlendFunction(srcFunc, GL20.GL_ONE); else batch.setBlendFunction(srcFunc, GL20.GL_ONE_MINUS_SRC_ALPHA); } batch.draw(regionAttachment.getRegion().getTexture(), vertices, 0, 20); } else if (attachment instanceof MeshAttachment || attachment instanceof SkinnedMeshAttachment) { throw new RuntimeException("PolygonSpriteBatch is required to render meshes."); } else if (attachment instanceof SkeletonAttachment) { Skeleton attachmentSkeleton = ((SkeletonAttachment) attachment).getSkeleton(); if (attachmentSkeleton == null) continue; Bone bone = slot.getBone(); Bone rootBone = attachmentSkeleton.getRootBone(); float oldScaleX = rootBone.getScaleX(); float oldScaleY = rootBone.getScaleY(); float oldRotation = rootBone.getRotation(); attachmentSkeleton.setPosition(skeleton.getX() + bone.getWorldX(), skeleton.getY() + bone.getWorldY()); rootBone.setScaleX(1 + bone.getWorldScaleX() - oldScaleX); rootBone.setScaleY(1 + bone.getWorldScaleY() - oldScaleY); rootBone.setRotation(oldRotation + bone.getWorldRotation()); attachmentSkeleton.updateWorldTransform(); draw(batch, attachmentSkeleton); attachmentSkeleton.setX(0); attachmentSkeleton.setY(0); rootBone.setScaleX(oldScaleX); rootBone.setScaleY(oldScaleY); rootBone.setRotation(oldRotation); } } }
From source file:com.company.minery.utils.spine.SkeletonRendererDebug.java
License:Open Source License
public void draw(Skeleton skeleton) { float skeletonX = skeleton.getX(); float skeletonY = skeleton.getY(); Gdx.gl.glEnable(GL20.GL_BLEND);/* w w w.jav a 2 s . c om*/ int srcFunc = premultipliedAlpha ? GL20.GL_ONE : GL20.GL_SRC_ALPHA; Gdx.gl.glBlendFunc(srcFunc, GL20.GL_ONE_MINUS_SRC_ALPHA); ShapeRenderer shapes = this.shapes; Array<Bone> bones = skeleton.getBones(); if (drawBones) { shapes.setColor(boneLineColor); shapes.begin(ShapeType.Filled); for (int i = 0, n = bones.size; i < n; i++) { Bone bone = bones.get(i); if (bone.parent == null) continue; float x = skeletonX + bone.data.length * bone.m00 + bone.worldX; float y = skeletonY + bone.data.length * bone.m10 + bone.worldY; shapes.rectLine(skeletonX + bone.worldX, skeletonY + bone.worldY, x, y, boneWidth * scale); } shapes.end(); shapes.begin(ShapeType.Line); shapes.x(skeletonX, skeletonY, 4 * scale); } else shapes.begin(ShapeType.Line); if (drawRegionAttachments) { shapes.setColor(attachmentLineColor); Array<Slot> slots = skeleton.getSlots(); for (int i = 0, n = slots.size; i < n; i++) { Slot slot = slots.get(i); Attachment attachment = slot.attachment; if (attachment instanceof RegionAttachment) { RegionAttachment regionAttachment = (RegionAttachment) attachment; regionAttachment.updateWorldVertices(slot, false); float[] vertices = regionAttachment.getWorldVertices(); shapes.line(vertices[X1], vertices[Y1], vertices[X2], vertices[Y2]); shapes.line(vertices[X2], vertices[Y2], vertices[X3], vertices[Y3]); shapes.line(vertices[X3], vertices[Y3], vertices[X4], vertices[Y4]); shapes.line(vertices[X4], vertices[Y4], vertices[X1], vertices[Y1]); } } } if (drawMeshHull || drawMeshTriangles) { Array<Slot> slots = skeleton.getSlots(); for (int i = 0, n = slots.size; i < n; i++) { Slot slot = slots.get(i); Attachment attachment = slot.attachment; float[] vertices = null; short[] triangles = null; int hullLength = 0; if (attachment instanceof MeshAttachment) { MeshAttachment mesh = (MeshAttachment) attachment; mesh.updateWorldVertices(slot, false); vertices = mesh.getWorldVertices(); triangles = mesh.getTriangles(); hullLength = mesh.getHullLength(); } else if (attachment instanceof SkinnedMeshAttachment) { SkinnedMeshAttachment mesh = (SkinnedMeshAttachment) attachment; mesh.updateWorldVertices(slot, false); vertices = mesh.getWorldVertices(); triangles = mesh.getTriangles(); hullLength = mesh.getHullLength(); } if (vertices == null || triangles == null) continue; if (drawMeshTriangles) { shapes.setColor(triangleLineColor); for (int ii = 0, nn = triangles.length; ii < nn; ii += 3) { int v1 = triangles[ii] * 5, v2 = triangles[ii + 1] * 5, v3 = triangles[ii + 2] * 5; shapes.triangle(vertices[v1], vertices[v1 + 1], // vertices[v2], vertices[v2 + 1], // vertices[v3], vertices[v3 + 1] // ); } } if (drawMeshHull && hullLength > 0) { shapes.setColor(attachmentLineColor); hullLength = hullLength / 2 * 5; float lastX = vertices[hullLength - 5], lastY = vertices[hullLength - 4]; for (int ii = 0, nn = hullLength; ii < nn; ii += 5) { float x = vertices[ii], y = vertices[ii + 1]; shapes.line(x, y, lastX, lastY); lastX = x; lastY = y; } } } } if (drawBoundingBoxes) { SkeletonBounds bounds = this.bounds; bounds.update(skeleton, true); shapes.setColor(aabbColor); shapes.rect(bounds.getMinX(), bounds.getMinY(), bounds.getWidth(), bounds.getHeight()); shapes.setColor(boundingBoxColor); Array<FloatArray> polygons = bounds.getPolygons(); for (int i = 0, n = polygons.size; i < n; i++) { FloatArray polygon = polygons.get(i); shapes.polygon(polygon.items, 0, polygon.size); } } shapes.end(); shapes.begin(ShapeType.Filled); if (drawBones) { shapes.setColor(boneOriginColor); for (int i = 0, n = bones.size; i < n; i++) { Bone bone = bones.get(i); shapes.setColor(Color.GREEN); shapes.circle(skeletonX + bone.worldX, skeletonY + bone.worldY, 3 * scale, 8); } } shapes.end(); }
From source file:com.cyphercove.dayinspace.shared.FullScreenFader.java
License:Apache License
public void render(float deltaTime) { if (!on && alpha == 0) return; //nothing to draw or update alpha += (on ? 1 : -1) * deltaTime / fadeTime; alpha = Math.max(0, Math.min(1, alpha)); GL20 gl = Gdx.gl20;/*www . j ava 2 s . c o m*/ gl.glEnable(GL20.GL_BLEND); gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA); color.a = Interpolation.fade.apply(alpha); shader.begin(); shader.setUniformf(u_color, color); mesh.render(shader, GL20.GL_TRIANGLE_FAN); shader.end(); }
From source file:com.cyphercove.doublehelix.BackgroundShader.java
License:Apache License
@Override public void begin(Camera camera, RenderContext context) { context.setDepthTest(GL20.GL_NONE);/*w w w . j a v a 2 s.c om*/ program.begin(); viewProjTrans.set(camera.combined); context.setCullFace(GL20.GL_BACK); context.setBlending(false, GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA); texture.bind(0); program.setUniformi(u_texture, 0); program.setUniformf(u_color, color.r, color.g, color.b); program.setUniformf(u_ambient, MainRenderer.AMBIENT_BRIGHTNESS); }
From source file:com.cyphercove.doublehelix.BlackShader.java
License:Apache License
@Override public void begin(Camera camera, RenderContext context) { context.setDepthTest(GL20.GL_NONE);// w ww. ja v a 2 s . co m program.begin(); viewProjTrans.set(camera.combined); context.setCullFace(GL20.GL_BACK); context.setBlending(false, GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA); }