buffered-interpolation
Version:
A class for handling interpolation of networked THREE.js objects.
1 lines • 116 kB
JSON
{"dependencies":[{"name":"C:\\mozilla\\buffered-interpolation\\.babelrc","includedInParent":true,"mtime":1527814116315},{"name":"C:\\mozilla\\buffered-interpolation\\package.json","includedInParent":true,"mtime":1527814084717}],"generated":{"js":"var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar BUFFERING = 0;\nvar 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- 3 * t2 + 1;\n var b = -2 * t3 + 3 * t2;\n var c = t3 - 2 * t2 + t;\n var d = t3 - t2;\n\n target.copy(p1.multiplyScalar(a));\n target.add(p2.multiplyScalar(b));\n target.add(v1.multiplyScalar(c));\n target.add(v2.multiplyScalar(d));\n }\n }, {\n key: \"lerp\",\n value: function lerp(target, v1, v2, alpha) {\n target.lerpVectors(v1, v2, alpha);\n }\n }, {\n key: \"slerp\",\n value: function slerp(target, r1, r2, alpha) {\n THREE.Quaternion.slerp(r1, r2, target, alpha);\n }\n }, {\n key: \"appendBuffer\",\n value: function appendBuffer(position, velocity, quaternion, scale) {\n var tail = this.buffer.length - 1;\n\n //update the last entry in the buffer if this is the same frame\n if (this.buffer.length > 0 && this.buffer[tail].time === this.time) {\n if (position) {\n this.buffer[tail].position.copy(position);\n }\n\n if (velocity) {\n this.buffer[tail].velocity.copy(velocity);\n }\n\n if (quaternion) {\n this.buffer[tail].quaternion.copy(quaternion);\n }\n\n if (scale) {\n this.buffer[tail].scale.copy(scale);\n }\n } else {\n if (position) {\n position = position.clone();\n } else {\n position = this.buffer.length > 0 ? this.buffer[tail].position.clone() : this.lastBufferFrame.position.clone();\n }\n\n if (velocity) {\n velocity = velocity.clone();\n } else {\n velocity = this.buffer.length > 0 ? this.buffer[tail].velocity.clone() : this.lastBufferFrame.velocity.clone();\n }\n\n if (quaternion) {\n quaternion = quaternion.clone();\n } else {\n quaternion = this.buffer.length > 0 ? this.buffer[tail].quaternion.clone() : this.lastBufferFrame.quaternion.clone();\n }\n\n if (scale) {\n scale = scale.clone();\n } else {\n scale = this.buffer.length > 0 ? this.buffer[tail].scale.clone() : this.lastBufferFrame.scale.clone();\n }\n\n this.buffer.push({\n position: position,\n velocity: velocity,\n quaternion: quaternion,\n scale: scale,\n time: this.time\n });\n }\n }\n }, {\n key: \"setTarget\",\n value: function setTarget(position, velocity, quaternion, scale) 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this.time - this.bufferTime;\n //Purge this.buffer of expired frames\n while (this.buffer.length > 0 && mark > this.buffer[0].time) {\n //if this is the last frame in the buffer, just update the time and reuse it\n if (this.buffer.length > 1) {\n this.lastBufferFrame = this.buffer.shift();\n } else {\n this.lastBufferFrame.position.copy(this.buffer[0].position);\n this.lastBufferFrame.velocity.copy(this.buffer[0].velocity);\n this.lastBufferFrame.quaternion.copy(this.buffer[0].quaternion);\n this.lastBufferFrame.scale.copy(this.buffer[0].scale);\n this.lastBufferFrame.time = this.buffer[0].time;\n this.buffer[0].time = this.time + delta;\n }\n }\n if (this.buffer.length > 0 && this.buffer[0].time > 0) {\n var currentBufferFrame = this.buffer[0];\n var delta_time = currentBufferFrame.time - this.lastBufferFrame.time;\n var alpha = (mark - this.lastBufferFrame.time) / delta_time;\n\n if (this.mode === MODE_LERP) {\n this.lerp(this.position, this.lastBufferFrame.position, 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