Initial commit

HTML/ThreeJS/node_modules/three/examples/js/postprocessing/MaskPass.js

@@ -0,0 +1,92 @@
+( function () {
+
+	class MaskPass extends THREE.Pass {
+
+		constructor( scene, camera ) {
+
+			super();
+			this.scene = scene;
+			this.camera = camera;
+			this.clear = true;
+			this.needsSwap = false;
+			this.inverse = false;
+
+		}
+
+		render( renderer, writeBuffer, readBuffer
+			/*, deltaTime, maskActive */
+		) {
+
+			const context = renderer.getContext();
+			const state = renderer.state; // don't update color or depth
+
+			state.buffers.color.setMask( false );
+			state.buffers.depth.setMask( false ); // lock buffers
+
+			state.buffers.color.setLocked( true );
+			state.buffers.depth.setLocked( true ); // set up stencil
+
+			let writeValue, clearValue;
+
+			if ( this.inverse ) {
+
+				writeValue = 0;
+				clearValue = 1;
+
+			} else {
+
+				writeValue = 1;
+				clearValue = 0;
+
+			}
+
+			state.buffers.stencil.setTest( true );
+			state.buffers.stencil.setOp( context.REPLACE, context.REPLACE, context.REPLACE );
+			state.buffers.stencil.setFunc( context.ALWAYS, writeValue, 0xffffffff );
+			state.buffers.stencil.setClear( clearValue );
+			state.buffers.stencil.setLocked( true ); // draw into the stencil buffer
+
+			renderer.setRenderTarget( readBuffer );
+			if ( this.clear ) renderer.clear();
+			renderer.render( this.scene, this.camera );
+			renderer.setRenderTarget( writeBuffer );
+			if ( this.clear ) renderer.clear();
+			renderer.render( this.scene, this.camera ); // unlock color and depth buffer for subsequent rendering
+
+			state.buffers.color.setLocked( false );
+			state.buffers.depth.setLocked( false ); // only render where stencil is set to 1
+
+			state.buffers.stencil.setLocked( false );
+			state.buffers.stencil.setFunc( context.EQUAL, 1, 0xffffffff ); // draw if == 1
+
+			state.buffers.stencil.setOp( context.KEEP, context.KEEP, context.KEEP );
+			state.buffers.stencil.setLocked( true );
+
+		}
+
+	}
+
+	class ClearMaskPass extends THREE.Pass {
+
+		constructor() {
+
+			super();
+			this.needsSwap = false;
+
+		}
+
+		render( renderer
+			/*, writeBuffer, readBuffer, deltaTime, maskActive */
+		) {
+
+			renderer.state.buffers.stencil.setLocked( false );
+			renderer.state.buffers.stencil.setTest( false );
+
+		}
+
+	}
+
+	THREE.ClearMaskPass = ClearMaskPass;
+	THREE.MaskPass = MaskPass;
+
+} )();