Merge branch 'master' of https://github.com/libgdx/libgdx

[mikumikustudio/libgdx-mikumikustudio.git] / gdx / src / com / badlogic / gdx / graphics / g2d / ParticleEffect.java

diff --git a/gdx/src/com/badlogic/gdx/graphics/g2d/ParticleEffect.java b/gdx/src/com/badlogic/gdx/graphics/g2d/ParticleEffect.java
index e92e584..3c29c99 100644 (file)
--- a/gdx/src/com/badlogic/gdx/graphics/g2d/ParticleEffect.java
+++ b/gdx/src/com/badlogic/gdx/graphics/g2d/ParticleEffect.java
@@ -26,14 +26,18 @@ import java.io.Writer;
 \r
 import com.badlogic.gdx.files.FileHandle;\r
 import com.badlogic.gdx.graphics.Texture;\r
+import com.badlogic.gdx.math.collision.BoundingBox;\r
 import com.badlogic.gdx.utils.Array;\r
 import com.badlogic.gdx.utils.Disposable;\r
 import com.badlogic.gdx.utils.GdxRuntimeException;\r
+import com.badlogic.gdx.utils.StreamUtils;\r
 \r
 /** See <a href="http://www.badlogicgames.com/wordpress/?p=1255">http://www.badlogicgames.com/wordpress/?p=1255</a>\r
  * @author mzechner */\r
 public class ParticleEffect implements Disposable {\r
        private final Array<ParticleEmitter> emitters;\r
+       private BoundingBox bounds;\r
+       private boolean ownsTexture;\r
 \r
        public ParticleEffect () {\r
                emitters = new Array(8);\r
@@ -50,6 +54,11 @@ public class ParticleEffect implements Disposable {
                        emitters.get(i).start();\r
        }\r
 \r
+       public void reset () {\r
+               for (int i = 0, n = emitters.size; i < n; i++)\r
+                       emitters.get(i).reset();\r
+       }\r
+\r
        public void update (float delta) {\r
                for (int i = 0, n = emitters.size; i < n; i++)\r
                        emitters.get(i).update(delta);\r
@@ -73,7 +82,6 @@ public class ParticleEffect implements Disposable {
        public boolean isComplete () {\r
                for (int i = 0, n = emitters.size; i < n; i++) {\r
                        ParticleEmitter emitter = emitters.get(i);\r
-                       if (emitter.isContinuous()) return false;\r
                        if (!emitter.isComplete()) return false;\r
                }\r
                return true;\r
@@ -98,6 +106,11 @@ public class ParticleEffect implements Disposable {
                        emitters.get(i).setFlip(flipX, flipY);\r
        }\r
 \r
+       public void flipY () {\r
+               for (int i = 0, n = emitters.size; i < n; i++)\r
+                       emitters.get(i).flipY();\r
+       }\r
+\r
        public Array<ParticleEmitter> getEmitters () {\r
                return emitters;\r
        }\r
@@ -126,10 +139,7 @@ public class ParticleEffect implements Disposable {
                } catch (IOException ex) {\r
                        throw new GdxRuntimeException("Error saving effect: " + file, ex);\r
                } finally {\r
-                       try {\r
-                               if (output != null) output.close();\r
-                       } catch (IOException ex) {\r
-                       }\r
+                       StreamUtils.closeQuietly(output);\r
                }\r
        }\r
 \r
@@ -160,10 +170,7 @@ public class ParticleEffect implements Disposable {
                } catch (IOException ex) {\r
                        throw new GdxRuntimeException("Error loading effect: " + effectFile, ex);\r
                } finally {\r
-                       try {\r
-                               if (reader != null) reader.close();\r
-                       } catch (IOException ex) {\r
-                       }\r
+                       StreamUtils.closeQuietly(reader);\r
                }\r
        }\r
 \r
@@ -182,6 +189,7 @@ public class ParticleEffect implements Disposable {
        }\r
 \r
        public void loadEmitterImages (FileHandle imagesDir) {\r
+               ownsTexture = true;\r
                for (int i = 0, n = emitters.size; i < n; i++) {\r
                        ParticleEmitter emitter = emitters.get(i);\r
                        String imagePath = emitter.getImagePath();\r
@@ -197,9 +205,21 @@ public class ParticleEffect implements Disposable {
 \r
        /** Disposes the texture for each sprite for each ParticleEmitter. */\r
        public void dispose () {\r
+               if (!ownsTexture) return;\r
                for (int i = 0, n = emitters.size; i < n; i++) {\r
                        ParticleEmitter emitter = emitters.get(i);\r
                        emitter.getSprite().getTexture().dispose();\r
                }\r
        }\r
+       \r
+       /** Returns the bounding box for all active particles. z axis will always be zero. */\r
+       public BoundingBox getBoundingBox () {\r
+               if (bounds == null) bounds = new BoundingBox();\r
+\r
+               BoundingBox bounds = this.bounds;\r
+               bounds.inf();\r
+               for (ParticleEmitter emitter : this.emitters)\r
+                       bounds.ext(emitter.getBoundingBox());\r
+               return bounds;\r
+       }\r
 }\r