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three-stdlib

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stand-alone library of threejs examples

github.com/pmndrs/three-stdlib

pmndrs/three-stdlib

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{"version":3,"file":"PeppersGhostEffect.cjs","sources":["../../src/effects/PeppersGhostEffect.js"],"sourcesContent":["import { PerspectiveCamera, Quaternion, Vector3 } from 'three'\n\n/**\n * peppers ghost effect based on http://www.instructables.com/id/Reflective-Prism/?ALLSTEPS\n */\n\nclass PeppersGhostEffect {\n constructor(renderer) {\n const scope = this\n\n scope.cameraDistance = 15\n scope.reflectFromAbove = false\n\n // Internals\n let _halfWidth, _width, _height\n\n const _cameraF = new PerspectiveCamera() //front\n const _cameraB = new PerspectiveCamera() //back\n const _cameraL = new PerspectiveCamera() //left\n const _cameraR = new PerspectiveCamera() //right\n\n const _position = new Vector3()\n const _quaternion = new Quaternion()\n const _scale = new Vector3()\n\n // Initialization\n renderer.autoClear = false\n\n this.setSize = function (width, height) {\n _halfWidth = width / 2\n if (width < height) {\n _width = width / 3\n _height = width / 3\n } else {\n _width = height / 3\n _height = height / 3\n }\n\n renderer.setSize(width, height)\n }\n\n this.render = function (scene, camera) {\n if (scene.matrixWorldAutoUpdate === true) scene.updateMatrixWorld()\n\n if (camera.parent === null && camera.matrixWorldAutoUpdate === true) camera.updateMatrixWorld()\n\n camera.matrixWorld.decompose(_position, _quaternion, _scale)\n\n // front\n _cameraF.position.copy(_position)\n _cameraF.quaternion.copy(_quaternion)\n _cameraF.translateZ(scope.cameraDistance)\n _cameraF.lookAt(scene.position)\n\n // back\n _cameraB.position.copy(_position)\n _cameraB.quaternion.copy(_quaternion)\n _cameraB.translateZ(-scope.cameraDistance)\n _cameraB.lookAt(scene.position)\n _cameraB.rotation.z += 180 * (Math.PI / 180)\n\n // left\n _cameraL.position.copy(_position)\n _cameraL.quaternion.copy(_quaternion)\n _cameraL.translateX(-scope.cameraDistance)\n _cameraL.lookAt(scene.position)\n _cameraL.rotation.x += 90 * (Math.PI / 180)\n\n // right\n _cameraR.position.copy(_position)\n _cameraR.quaternion.copy(_quaternion)\n _cameraR.translateX(scope.cameraDistance)\n _cameraR.lookAt(scene.position)\n _cameraR.rotation.x += 90 * (Math.PI / 180)\n\n renderer.clear()\n renderer.setScissorTest(true)\n\n renderer.setScissor(_halfWidth - _width / 2, _height * 2, _width, _height)\n renderer.setViewport(_halfWidth - _width / 2, _height * 2, _width, _height)\n\n if (scope.reflectFromAbove) {\n renderer.render(scene, _cameraB)\n } else {\n renderer.render(scene, _cameraF)\n }\n\n renderer.setScissor(_halfWidth - _width / 2, 0, _width, _height)\n renderer.setViewport(_halfWidth - _width / 2, 0, _width, _height)\n\n if (scope.reflectFromAbove) {\n renderer.render(scene, _cameraF)\n } else {\n renderer.render(scene, _cameraB)\n }\n\n renderer.setScissor(_halfWidth - _width / 2 - _width, _height, _width, _height)\n renderer.setViewport(_halfWidth - _width / 2 - _width, _height, _width, _height)\n\n if (scope.reflectFromAbove) {\n renderer.render(scene, _cameraR)\n } else {\n renderer.render(scene, _cameraL)\n }\n\n renderer.setScissor(_halfWidth + _width / 2, _height, _width, _height)\n renderer.setViewport(_halfWidth + _width / 2, _height, _width, _height)\n\n if (scope.reflectFromAbove) {\n renderer.render(scene, _cameraL)\n } else {\n renderer.render(scene, _cameraR)\n }\n\n renderer.setScissorTest(false)\n }\n }\n}\n\nexport { PeppersGhostEffect }\n"],"names":["PerspectiveCamera","Vector3","Quaternion"],"mappings":";;;AAMA,MAAM,mBAAmB;AAAA,EACvB,YAAY,UAAU;AACpB,UAAM,QAAQ;AAEd,UAAM,iBAAiB;AACvB,UAAM,mBAAmB;AAGzB,QAAI,YAAY,QAAQ;AAExB,UAAM,WAAW,IAAIA,wBAAmB;AACxC,UAAM,WAAW,IAAIA,wBAAmB;AACxC,UAAM,WAAW,IAAIA,wBAAmB;AACxC,UAAM,WAAW,IAAIA,wBAAmB;AAExC,UAAM,YAAY,IAAIC,cAAS;AAC/B,UAAM,cAAc,IAAIC,iBAAY;AACpC,UAAM,SAAS,IAAID,cAAS;AAG5B,aAAS,YAAY;AAErB,SAAK,UAAU,SAAU,OAAO,QAAQ;AACtC,mBAAa,QAAQ;AACrB,UAAI,QAAQ,QAAQ;AAClB,iBAAS,QAAQ;AACjB,kBAAU,QAAQ;AAAA,MAC1B,OAAa;AACL,iBAAS,SAAS;AAClB,kBAAU,SAAS;AAAA,MACpB;AAED,eAAS,QAAQ,OAAO,MAAM;AAAA,IAC/B;AAED,SAAK,SAAS,SAAU,OAAO,QAAQ;AACrC,UAAI,MAAM,0BAA0B;AAAM,cAAM,kBAAmB;AAEnE,UAAI,OAAO,WAAW,QAAQ,OAAO,0BAA0B;AAAM,eAAO,kBAAmB;AAE/F,aAAO,YAAY,UAAU,WAAW,aAAa,MAAM;AAG3D,eAAS,SAAS,KAAK,SAAS;AAChC,eAAS,WAAW,KAAK,WAAW;AACpC,eAAS,WAAW,MAAM,cAAc;AACxC,eAAS,OAAO,MAAM,QAAQ;AAG9B,eAAS,SAAS,KAAK,SAAS;AAChC,eAAS,WAAW,KAAK,WAAW;AACpC,eAAS,WAAW,CAAC,MAAM,cAAc;AACzC,eAAS,OAAO,MAAM,QAAQ;AAC9B,eAAS,SAAS,KAAK,OAAO,KAAK,KAAK;AAGxC,eAAS,SAAS,KAAK,SAAS;AAChC,eAAS,WAAW,KAAK,WAAW;AACpC,eAAS,WAAW,CAAC,MAAM,cAAc;AACzC,eAAS,OAAO,MAAM,QAAQ;AAC9B,eAAS,SAAS,KAAK,MAAM,KAAK,KAAK;AAGvC,eAAS,SAAS,KAAK,SAAS;AAChC,eAAS,WAAW,KAAK,WAAW;AACpC,eAAS,WAAW,MAAM,cAAc;AACxC,eAAS,OAAO,MAAM,QAAQ;AAC9B,eAAS,SAAS,KAAK,MAAM,KAAK,KAAK;AAEvC,eAAS,MAAO;AAChB,eAAS,eAAe,IAAI;AAE5B,eAAS,WAAW,aAAa,SAAS,GAAG,UAAU,GAAG,QAAQ,OAAO;AACzE,eAAS,YAAY,aAAa,SAAS,GAAG,UAAU,GAAG,QAAQ,OAAO;AAE1E,UAAI,MAAM,kBAAkB;AAC1B,iBAAS,OAAO,OAAO,QAAQ;AAAA,MACvC,OAAa;AACL,iBAAS,OAAO,OAAO,QAAQ;AAAA,MAChC;AAED,eAAS,WAAW,aAAa,SAAS,GAAG,GAAG,QAAQ,OAAO;AAC/D,eAAS,YAAY,aAAa,SAAS,GAAG,GAAG,QAAQ,OAAO;AAEhE,UAAI,MAAM,kBAAkB;AAC1B,iBAAS,OAAO,OAAO,QAAQ;AAAA,MACvC,OAAa;AACL,iBAAS,OAAO,OAAO,QAAQ;AAAA,MAChC;AAED,eAAS,WAAW,aAAa,SAAS,IAAI,QAAQ,SAAS,QAAQ,OAAO;AAC9E,eAAS,YAAY,aAAa,SAAS,IAAI,QAAQ,SAAS,QAAQ,OAAO;AAE/E,UAAI,MAAM,kBAAkB;AAC1B,iBAAS,OAAO,OAAO,QAAQ;AAAA,MACvC,OAAa;AACL,iBAAS,OAAO,OAAO,QAAQ;AAAA,MAChC;AAED,eAAS,WAAW,aAAa,SAAS,GAAG,SAAS,QAAQ,OAAO;AACrE,eAAS,YAAY,aAAa,SAAS,GAAG,SAAS,QAAQ,OAAO;AAEtE,UAAI,MAAM,kBAAkB;AAC1B,iBAAS,OAAO,OAAO,QAAQ;AAAA,MACvC,OAAa;AACL,iBAAS,OAAO,OAAO,QAAQ;AAAA,MAChC;AAED,eAAS,eAAe,KAAK;AAAA,IAC9B;AAAA,EACF;AACH;;"}