46 lines
1.8 KiB
JavaScript
46 lines
1.8 KiB
JavaScript
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var cameraParameters = function (distance, safeDistance, body) {
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this.theta = 0.2;
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this.phi = 0.3;
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this.distance = distance;
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this.safeDistance = safeDistance;
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this.safeFar = 1e6;
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this.body = body;
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this.camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.4, 1e7);
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};
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cameraParameters.prototype.getDistance = function () {
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return this.distance;
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};
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cameraParameters.prototype.getCenterX = function () {
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if (this.body == "Comet")
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return celestialBodies["Comet"].cometPivot.position.getComponent(0);
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else
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return celestialBodies[this.body].getX();
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};
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cameraParameters.prototype.getCenterY = function () {
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if (this.body == "Comet")
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return celestialBodies["Comet"].cometPivot.position.getComponent(1);
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else
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return celestialBodies[this.body].getY();
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};
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cameraParameters.prototype.getCenterZ = function () {
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if (this.body == "Comet")
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return celestialBodies["Comet"].cometPivot.position.getComponent(2);
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else
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return celestialBodies[this.body].getZ();
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};
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cameraParameters.prototype.getX = function () {
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return this.getCenterX() - (celestialBodies[this.body].getRadius() + this.distance) * Math.cos(this.theta) * Math.cos(this.phi);
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};
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cameraParameters.prototype.getZ = function () {
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return this.getCenterZ() - (celestialBodies[this.body].getRadius() + this.distance) * Math.sin(this.theta) * Math.cos(this.phi);
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};
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cameraParameters.prototype.getY = function () {
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return this.getCenterY() - (celestialBodies[this.body].getRadius() + this.distance) * Math.sin(this.phi);
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};
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cameraParameters.prototype.setCamera = function () {
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this.camera.position.x = this.getX();
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this.camera.position.y = this.getY();
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this.camera.position.z = this.getZ();
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this.camera.lookAt(this.getCenterX(), this.getCenterY(), this.getCenterZ());
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};
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