ExtendedSpriteBatch now provides a begin() overload that needs to be used to set a projection camera instead of the old setter method. also begin() now resets the tint color

src/com/blarg/gdx/graphics/ExtendedSpriteBatch.java

@@ -1,6 +1,7 @@
 package com.blarg.gdx.graphics;
 
 import com.badlogic.gdx.graphics.Camera;
+import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.Texture;
 import com.badlogic.gdx.graphics.g2d.BitmapFont;
 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
@@ -13,9 +14,12 @@ import com.badlogic.gdx.math.Vector3;
  * are to make drawing sprites at projected screen coordinates easier.
  *
  * Projected screen coordinate sprite rendering requires a perspective camera to project the 3D coordinates correctly.
- * A camera _must_ be set via {@link #setProjectionCamera} before any of these draw methods are called.
+ * A camera _must_ be set via {@link #begin(Camera)} (instead of using {@link #begin()}) before any of these draw
+ * methods are called.
  */
 public class ExtendedSpriteBatch extends SpriteBatch {
+	static final float DEFAULT_COLOR = Color.WHITE.toFloatBits();
+
 	static final Vector3 tmp1 = new Vector3();
 
 	Camera projectionCamera;
@@ -41,16 +45,29 @@ public class ExtendedSpriteBatch extends SpriteBatch {
 		super(size, buffers, defaultShader);
 	}
 
-	public void setProjectionCamera(Camera camera) {
-		this.projectionCamera = camera;
-	}
-
 	public void setPixelScale(int pixelScale) {
 		if (pixelScale <= 0)
 			throw new IllegalArgumentException();
 		this.pixelScale = pixelScale;
 	}
 
+	@Override
+	public void begin() {
+		super.begin();
+		setColor(DEFAULT_COLOR);
+	}
+
+	public void begin(Camera projectionCamera) {
+		begin();
+		this.projectionCamera = projectionCamera;
+	}
+
+	@Override
+	public void end() {
+		super.end();
+		this.projectionCamera = null;
+	}
+
 	/**************************************************************************/
 
 	public void draw(Texture texture, float x, float y, float z) {

src/com/blarg/gdx/graphics/GraphicsHelpers.java

@@ -1,19 +1,19 @@
 package com.blarg.gdx.graphics;
 
+import com.badlogic.gdx.graphics.Camera;
 import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.g2d.BitmapFont;
-import com.badlogic.gdx.graphics.g2d.SpriteBatch;
 import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
 import com.badlogic.gdx.math.Vector3;
 
 public final class GraphicsHelpers {
-	public static void renderCoordinateSystemAxis(ShapeRenderer shapeRenderer, ExtendedSpriteBatch spriteBatch, BitmapFont font, Vector3 origin) {
+	public static void renderCoordinateSystemAxis(ShapeRenderer shapeRenderer, ExtendedSpriteBatch spriteBatch, Camera projectionCamera, BitmapFont font, Vector3 origin) {
-		renderCoordinateSystemAxis(shapeRenderer, spriteBatch, font, origin, 5.0f);
+		renderCoordinateSystemAxis(shapeRenderer, spriteBatch, projectionCamera, font, origin, 5.0f);
 	}
 
-	public static void renderCoordinateSystemAxis(ShapeRenderer shapeRenderer, ExtendedSpriteBatch spriteBatch, BitmapFont font, Vector3 origin, float axisLength) {
+	public static void renderCoordinateSystemAxis(ShapeRenderer shapeRenderer, ExtendedSpriteBatch spriteBatch, Camera projectionCamera, BitmapFont font, Vector3 origin, float axisLength) {
 		shapeRenderer.begin(ShapeRenderer.ShapeType.Line);
-		spriteBatch.begin();
+		spriteBatch.begin(projectionCamera);
 
 		shapeRenderer.setColor(Color.WHITE);
 		shapeRenderer.line(origin.x, origin.y, origin.z, origin.x + 0.0f, origin.y + axisLength, origin.z + 0.0f);

src/com/blarg/gdx/graphics/RenderContext.java

@@ -80,7 +80,6 @@ public class RenderContext implements Disposable {
 
 	public void onPreRender() {
 		spriteBatch.setProjectionMatrix(orthographicCamera.combined);
-		spriteBatch.setProjectionCamera(perspectiveCamera);
 		spriteBatch.setPixelScale(pixelScaler.getScale());
 		debugGeometryRenderer.setProjectionMatrix(perspectiveCamera.combined);
 		billboardSpriteBatch.begin(decalBatch, perspectiveCamera);