Refactor setAdditiveBlendMode to remove context parameter

- Removed the context parameter from the setAdditiveBlendMode function in both littlejs.release.js and engineDraw.js.
- Updated the function to directly use drawContext for setting the globalCompositeOperation.

Author: KilledByAPixel

dist/littlejs.d.ts

@@ -2016,9 +2016,8 @@ declare module "littlejsengine" {
     export function drawTextScreen(text: string | number, pos: Vector2, size: number, color?: Color, lineWidth?: number, lineColor?: Color, textAlign?: CanvasTextAlign, font?: string, fontStyle?: string, maxWidth?: number, angle?: number, context?: CanvasRenderingContext2D | OffscreenCanvasRenderingContext2D): void;
     /** Enable additive blending
      *  @param {boolean} [additive]
-    *  @param {CanvasRenderingContext2D|OffscreenCanvasRenderingContext2D} [context]
      *  @memberof Draw */
-    export function setAdditiveBlendMode(additive?: boolean, context?: CanvasRenderingContext2D | OffscreenCanvasRenderingContext2D): void;
+    export function setAdditiveBlendMode(additive?: boolean): void;
     /** Combines LittleJS canvases onto the main canvas
      *  This is necessary for things like screenshots and video
      *  @memberof Draw */

dist/littlejs.esm.js

@@ -5189,12 +5189,11 @@ function isOnScreen(pos, size=0)
 
 /** Enable additive blending
  *  @param {boolean} [additive]
-*  @param {CanvasRenderingContext2D|OffscreenCanvasRenderingContext2D} [context]
  *  @memberof Draw */
-function setAdditiveBlendMode(additive=true, context=drawContext)
+function setAdditiveBlendMode(additive=true)
 {
     glAdditive = additive;
-    context.globalCompositeOperation = additive ? 'lighter' : 'source-over';
+    drawContext.globalCompositeOperation = additive ? 'lighter' : 'source-over';
 }
 
 /** Combines LittleJS canvases onto the main canvas

dist/littlejs.esm.min.js

@@ -5189,12 +5189,11 @@ function isOnScreen(pos, size=0)
 
 /** Enable additive blending
  *  @param {boolean} [additive]
-*  @param {CanvasRenderingContext2D|OffscreenCanvasRenderingContext2D} [context]
  *  @memberof Draw */
-function setAdditiveBlendMode(additive=true, context=drawContext)
+function setAdditiveBlendMode(additive=true)
 {
     glAdditive = additive;
-    context.globalCompositeOperation = additive ? 'lighter' : 'source-over';
+    drawContext.globalCompositeOperation = additive ? 'lighter' : 'source-over';
 }
 
 /** Combines LittleJS canvases onto the main canvas

dist/littlejs.js

@@ -4501,12 +4501,11 @@ function isOnScreen(pos, size=0)
 
 /** Enable additive blending
  *  @param {boolean} [additive]
-*  @param {CanvasRenderingContext2D|OffscreenCanvasRenderingContext2D} [context]
  *  @memberof Draw */
-function setAdditiveBlendMode(additive=true, context=drawContext)
+function setAdditiveBlendMode(additive=true)
 {
     glAdditive = additive;
-    context.globalCompositeOperation = additive ? 'lighter' : 'source-over';
+    drawContext.globalCompositeOperation = additive ? 'lighter' : 'source-over';
 }
 
 /** Combines LittleJS canvases onto the main canvas

dist/littlejs.min.js

@@ -1183,12 +1183,11 @@ function isOnScreen(pos, size=0)
 
 /** Enable additive blending
  *  @param {boolean} [additive]
-*  @param {CanvasRenderingContext2D|OffscreenCanvasRenderingContext2D} [context]
  *  @memberof Draw */
-function setAdditiveBlendMode(additive=true, context=drawContext)
+function setAdditiveBlendMode(additive=true)
 {
     glAdditive = additive;
-    context.globalCompositeOperation = additive ? 'lighter' : 'source-over';
+    drawContext.globalCompositeOperation = additive ? 'lighter' : 'source-over';
 }
 
 /** Combines LittleJS canvases onto the main canvas