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three

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JavaScript 3D library

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console.warn( "THREE.MaskPass: As part of the transition to ES6 Modules, the files in 'examples/js' were deprecated in May 2020 (r117) and will be deleted in December 2020 (r124). You can find more information about developing using ES6 Modules in https://threejs.org/docs/#manual/en/introduction/Installation." ); THREE.MaskPass = function ( scene, camera ) { THREE.Pass.call( this ); this.scene = scene; this.camera = camera; this.clear = true; this.needsSwap = false; this.inverse = false; }; THREE.MaskPass.prototype = Object.assign( Object.create( THREE.Pass.prototype ), { constructor: THREE.MaskPass, render: function ( renderer, writeBuffer, readBuffer /*, deltaTime, maskActive */ ) { var context = renderer.getContext(); var 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 var 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 ); } } ); THREE.ClearMaskPass = function () { THREE.Pass.call( this ); this.needsSwap = false; }; THREE.ClearMaskPass.prototype = Object.create( THREE.Pass.prototype ); Object.assign( THREE.ClearMaskPass.prototype, { render: function ( renderer /*, writeBuffer, readBuffer, deltaTime, maskActive */ ) { renderer.state.buffers.stencil.setLocked( false ); renderer.state.buffers.stencil.setTest( false ); } } );