111 lines
2.7 KiB
JavaScript
111 lines
2.7 KiB
JavaScript
/**
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* R3.D3.Camera
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* @param graphics R3.GraphicsRuntime
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* @param apiD3ObjectCamera GR3.D3.API.Object
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* @constructor
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*/
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R3.D3.Camera = function(
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graphics,
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apiD3ObjectCamera
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) {
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this.graphics = graphics;
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this.graphics.isNotThreeThrow();
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if (R3.Utils.UndefinedOrNull(apiD3ObjectCamera)) {
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apiD3ObjectCamera = {
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objectType : R3.D3.API.Object.OBJECT_TYPE_CAMERA
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};
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}
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R3.D3.API.Camera.call(
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this,
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apiD3ObjectCamera,
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apiD3ObjectCamera.aspect
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);
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R3.D3.Object.call(
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this,
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this.graphics,
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this
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);
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};
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R3.D3.Camera.prototype = Object.create(R3.D3.Object.prototype);
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R3.D3.Camera.prototype.constructor = R3.D3.Camera;
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/**
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* Creates a camera instance of 'graphics' type (only THREE for now)
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* @returns {THREE.Camera}
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*/
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R3.D3.Camera.prototype.createInstance = function() {
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/**
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* Not all implementations of camera has aspect ratio, we, however do have an aspect ratio for all our cameras
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*/
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if (R3.Utils.Defined(this.instance.aspect)) {
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var size = R3.Utils.GetWindowSize();
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this.aspect = size.width / size.height;
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this.instance.aspect = this.aspect;
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}
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R3.D3.Object.prototype.createInstance.call(this);
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};
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/**
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* Updates the instance with the current state
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*/
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R3.D3.Camera.prototype.updateInstance = function(property) {
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if (property === 'aspect') {
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if (R3.Utils.Defined(this.instance.aspect)) {
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this.instance.aspect = this.aspect;
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if (R3.Utils.Defined(this.instance.updateProjectionMatrix)) {
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this.instance.updateProjectionMatrix();
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}
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} else {
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console.warn('updating the aspect ratio of this type of camera has no effect.');
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}
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return;
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}
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R3.D3.Object.prototype.updateInstance.call(this, property);
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};
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/**
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* Update R3.D3.Camera from instance
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*/
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R3.D3.Camera.prototype.updateFromInstance = function() {
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this.aspect = this.instance.aspect;
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this.position.x = this.instance.position.x;
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this.position.y = this.instance.position.y;
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this.position.z = this.instance.position.z;
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if (this.instance.target) {
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this.lookAt.x = this.instance.target.position.x;
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this.lookAt.y = this.instance.target.position.y;
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this.lookAt.z = this.instance.target.position.z;
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} else {
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console.warn('todo: update lookAt somehow...');
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}
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};
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/**
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* Converts a R3.D3.Camera to a new R3.D3.API.Camera
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* @returns {R3.D3.API.Camera}
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*/
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R3.D3.Camera.prototype.toApiObject = function() {
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var apiD3Object = R3.D3.Object.prototype.toApiObject.call(this);
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return new R3.D3.API.Camera(
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apiD3Object,
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this.aspect
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);
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};
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