262 lines
7.0 KiB
JavaScript
262 lines
7.0 KiB
JavaScript
/**
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* Creates a camera object
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* @param graphics GameLib.D3.Graphics
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* @param apiCamera GameLib.D3.API.Camera
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* @constructor
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*/
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GameLib.D3.Camera = function(
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graphics,
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apiCamera
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) {
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this.graphics = graphics;
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this.graphics.isNotThreeThrow();
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if (GameLib.Utils.UndefinedOrNull(apiCamera)) {
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apiCamera = {};
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}
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if (apiCamera instanceof GameLib.D3.Camera) {
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return apiCamera;
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}
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GameLib.D3.API.Camera.call(
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this,
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apiCamera.id,
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apiCamera.cameraType,
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apiCamera.name,
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apiCamera.fov,
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apiCamera.aspect,
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apiCamera.near,
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apiCamera.far,
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apiCamera.position,
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apiCamera.lookAt,
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apiCamera.minX,
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apiCamera.maxX,
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apiCamera.minY,
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apiCamera.maxY,
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apiCamera.minZ,
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apiCamera.maxZ,
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apiCamera.offsetX,
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apiCamera.offsetY,
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apiCamera.quaternion,
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apiCamera.parentEntity,
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apiCamera.eyeSeparation,
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apiCamera.focalLength
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);
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if (this.position instanceof GameLib.API.Vector3) {
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this.position = new GameLib.Vector3(
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graphics,
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this.position,
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this
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);
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} else {
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console.warn('position not instance of API.Vector3');
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throw new Error('position not instance of API.Vector3');
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}
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if (this.quaternion instanceof GameLib.API.Quaternion) {
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this.quaternion = new GameLib.Quaternion(
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graphics,
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this.quaternion,
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this
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);
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} else {
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console.warn('quaternion not instance of API.Quaternion');
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throw new Error('quaternion not instance of API.Quaternion');
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}
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if (this.lookAt instanceof GameLib.API.Vector3) {
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this.lookAt = new GameLib.Vector3(
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graphics,
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this.lookAt,
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this
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);
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} else {
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console.warn('lookAt not instance of API.Vector3');
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throw new Error('lookAt not instance of API.Vector3');
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}
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GameLib.Component.call(
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this,
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GameLib.Component.COMPONENT_CAMERA
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);
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} ;
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GameLib.D3.Camera.prototype = Object.create(GameLib.D3.API.Camera.prototype);
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GameLib.D3.Camera.prototype.constructor = GameLib.D3.Camera;
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GameLib.D3.Camera.CAMERA_TYPE_PERSPECTIVE = 0x1;
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GameLib.D3.Camera.CAMERA_TYPE_ORTHOGONAL = 0x2;
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GameLib.D3.Camera.CAMERA_TYPE_STEREO = 0x3;
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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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GameLib.D3.Camera.prototype.createInstance = function() {
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if (this.cameraType === GameLib.D3.Camera.CAMERA_TYPE_PERSPECTIVE ) {
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this.instance = new THREE.PerspectiveCamera(
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this.fov,
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this.aspect,
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this.near,
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this.far
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);
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} else if (this.cameraType === GameLib.D3.Camera.CAMERA_TYPE_ORTHOGONAL) {
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this.instance = new THREE.OrthographicCamera(
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this.minX + this.offsetX,
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this.maxX + this.offsetX,
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this.maxY,
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this.minY,
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this.minZ,
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this.maxZ
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);
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} else if (this.cameraType === GameLib.D3.Camera.CAMERA_TYPE_STEREO) {
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this.instance = new THREE.StereoCamera();
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} else {
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throw new Error('unsupported camera type : ' + this.cameraType);
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}
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this.instance.position.x = this.position.x;
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this.instance.position.y = this.position.y;
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this.instance.position.z = this.position.z;
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this.instance.quaternion.x = this.quaternion.x;
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this.instance.quaternion.y = this.quaternion.y;
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this.instance.quaternion.z = this.quaternion.z;
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this.instance.quaternion.w = this.quaternion.w;
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this.instance.lookAt(this.lookAt.instance);
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this.instance.updateProjectionMatrix();
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GameLib.Component.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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GameLib.D3.Camera.prototype.updateInstance = function() {
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if (
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this.cameraType === GameLib.D3.Camera.CAMERA_TYPE_ORTHOGONAL &&
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this.instance instanceof THREE.PerspectiveCamera
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) {
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this.createInstance();
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}
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if (
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this.cameraType === GameLib.D3.Camera.CAMERA_TYPE_PERSPECTIVE &&
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this.instance instanceof THREE.OrthographicCamera
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) {
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this.createInstance();
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}
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if (this.cameraType === GameLib.D3.Camera.CAMERA_TYPE_ORTHOGONAL) {
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this.minX = this.aspect * this.minY;
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this.maxX = this.aspect * this.maxY;
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this.instance.left = this.minX + this.offsetX;
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this.instance.right = this.maxX + this.offsetX;
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this.instance.bottom = this.minY + this.offsetY;
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this.instance.top = this.maxY + this.offsetY;
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this.instance.near = this.minZ;
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this.instance.far = this.maxZ;
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}
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if (
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this.cameraType === GameLib.D3.Camera.CAMERA_TYPE_PERSPECTIVE ||
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this.cameraType === GameLib.D3.Camera.CAMERA_TYPE_STEREO
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) {
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this.instance.fov = this.fov;
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this.instance.aspect = this.aspect;
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this.instance.near = this.near;
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this.instance.far = this.far;
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}
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if (this.cameraType === GameLib.D3.Camera.CAMERA_TYPE_STEREO) {
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this.instance.eyeSeparation = this.eyeSeparation;
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this.instance.focalLength = this.focalLength;
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this.instance.update(this.instance);
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}
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this.instance.position.x = this.position.x;
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this.instance.position.y = this.position.y;
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this.instance.position.z = this.position.z;
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this.instance.quaternion.x = this.quaternion.x;
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this.instance.quaternion.y = this.quaternion.y;
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this.instance.quaternion.z = this.quaternion.z;
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this.instance.quaternion.w = this.quaternion.w;
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this.instance.lookAt(this.lookAt.instance);
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this.instance.updateProjectionMatrix();
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};
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/**
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* Resize default
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* @param width
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* @param height
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*/
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GameLib.D3.Camera.prototype.resize = function(width, height) {
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camera.aspect = width / height;
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camera.updateInstance();
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};
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/**
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* Converts a GameLib.D3.Camera to a new GameLib.D3.API.Camera
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* @returns {GameLib.D3.API.Camera}
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*/
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GameLib.D3.Camera.prototype.toApiObject = function() {
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return new GameLib.D3.API.Camera(
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this.id,
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this.cameraType,
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this.name,
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this.fov,
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this.aspect,
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this.near,
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this.far,
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this.position.toApiObject(),
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this.lookAt.toApiObject(),
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this.minX,
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this.maxX,
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this.minY,
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this.maxY,
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this.minZ,
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this.maxZ,
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this.offsetX,
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this.offsetY,
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this.quaternion.toApiObject(),
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GameLib.Utils.IdOrNull(this.parentEntity),
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this.eyeSeparation,
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this.focalLength
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);
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};
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/**
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* Converts from an Object camera to a GameLib.D3.Camera
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* @param graphics GameLib.D3.Graphics
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* @param objectCamera Object
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* @returns {GameLib.D3.Camera}
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* @constructor
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*/
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GameLib.D3.Camera.FromObject = function(graphics, objectCamera) {
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var apiCamera = GameLib.D3.API.Camera.FromObject(objectCamera);
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return new GameLib.D3.Camera(
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graphics,
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apiCamera
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);
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};
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