mirror of
https://github.com/photonstorm/phaser
synced 2024-12-24 20:13:35 +00:00
258 lines
No EOL
7.5 KiB
JavaScript
258 lines
No EOL
7.5 KiB
JavaScript
/**
|
|
* @author Richard Davey <rich@photonstorm.com>
|
|
* @author Pete Baron <pete@photonstorm.com>
|
|
* @copyright 2016 Photon Storm Ltd.
|
|
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
|
|
*/
|
|
|
|
/**
|
|
* The PathPoint class contains data and functions for each point on a Path.
|
|
*
|
|
* @class Phaser.PathPoint
|
|
* @constructor
|
|
* @param {number} x - The x coordinate of the PathPoint.
|
|
* @param {number} y - The y coordinate of the PathPoint.
|
|
* @param {number} vx - The x coordinate of the tangent vector to create the curve from.
|
|
* @param {number} vy - The y coordinate of the tangent vector to create the curve from.
|
|
* @param {number} [speed=1] - The speed multiplier for PathFollowers on this Path segment.
|
|
* @param {object} [data] - The data associated with this point, e.g.: { type: PathPoint.DATA_VALUE, value: XXX }
|
|
* @param {Phaser.Path} [branchPath] - A branched path which is attached to this point.
|
|
* @param {number} [branchPointIndex] - The index where the branch is attached to on the new path.
|
|
*/
|
|
Phaser.PathPoint = function (x, y, vx, vy, speed, data, branchPath, branchPointIndex) {
|
|
|
|
if (speed === undefined) { speed = 1; }
|
|
if (data === undefined) { data = { type: 0, value: 0 }; }
|
|
if (branchPath === undefined) { branchPath = null; }
|
|
if (branchPointIndex === undefined) { branchPointIndex = 0; }
|
|
|
|
/**
|
|
* @property {number} x - The x coordinate of the PathPoint.
|
|
*/
|
|
this.x = x;
|
|
|
|
/**
|
|
* @property {number} y - The y coordinate of the PathPoint.
|
|
*/
|
|
this.y = y;
|
|
|
|
/**
|
|
* @property {number} vx - The x coordinate of the tangent vector to create the curve from.
|
|
*/
|
|
this.vx = vx;
|
|
|
|
/**
|
|
* @property {number} vy - The y coordinate of the tangent vector to create the curve from.
|
|
*/
|
|
this.vy = vy;
|
|
|
|
/**
|
|
* @property {number} speed - The speed multiplier for PathFollowers on this path segment.
|
|
*/
|
|
this.speed = speed;
|
|
|
|
/**
|
|
* @property {object} data - Data associated with this point eg: { type: PathPoint.DATA_VALUE, value: XXX }
|
|
*/
|
|
this.data = data;
|
|
|
|
/**
|
|
* @property {Phaser.Path} branchPath - A branched path which is attached at this point.
|
|
*/
|
|
this.branchPath = branchPath;
|
|
|
|
/**
|
|
* @property {number} branchPointIndex - The index where the branch is attached to on the new path.
|
|
*/
|
|
this.branchPointIndex = branchPointIndex;
|
|
|
|
/**
|
|
* @property {number} branchType - The branch type of the path this point is on. Either 0 (attached) or 1 (joined)
|
|
*/
|
|
this.branchType = 0;
|
|
|
|
/**
|
|
* @property {number} curve - Once the Hermite curve is calculated, store it to avoid recalculation later.
|
|
* @protected
|
|
*/
|
|
this.curve = null;
|
|
|
|
/**
|
|
* @property {boolean} active - Is this point a selected (or active) point?
|
|
* @warn For Path Editor use only
|
|
*/
|
|
this.active = false;
|
|
|
|
/**
|
|
* @property {array} controlPoints - A list of Phaser.Point objects representing the control points on the segment.
|
|
* @warn For Path Editor use only
|
|
*/
|
|
this.controlPoints = null;
|
|
|
|
};
|
|
|
|
Phaser.PathPoint.prototype.constructor = Phaser.PathPoint;
|
|
|
|
/**
|
|
* @constant
|
|
* @type {number}
|
|
*/
|
|
Phaser.PathPoint.DATA_NONE = 0;
|
|
|
|
/**
|
|
* @constant
|
|
* @type {number}
|
|
*/
|
|
Phaser.PathPoint.DATA_PAUSE = 1;
|
|
|
|
/**
|
|
* @constant
|
|
* @type {number}
|
|
*/
|
|
Phaser.PathPoint.DATA_VALUE = 2;
|
|
|
|
/**
|
|
* @constant
|
|
* @type {number}
|
|
*/
|
|
Phaser.PathPoint.DATA_COUNTER = 3;
|
|
|
|
Phaser.PathPoint.prototype = {
|
|
|
|
/**
|
|
* Sets the x, y and optionally vx and vy properties of this PathPoint.
|
|
*
|
|
* @method Phaser.PathPoint#setTo
|
|
* @param {number} x - The x coordinate of the PathPoint.
|
|
* @param {number} y - The y coordinate of the PathPoint.
|
|
* @param {number} [vx] - The x coordinate of the tangent vector to create the curve from.
|
|
* @param {number} [vy] - The y coordinate of the tangent vector to create the curve from.
|
|
* @return {Phaser.PathPoint} This object.
|
|
*/
|
|
setTo: function (x, y, vx, vy) {
|
|
|
|
this.x = x;
|
|
this.y = y;
|
|
|
|
if (vx !== undefined)
|
|
{
|
|
this.vx = vx;
|
|
}
|
|
|
|
if (vy !== undefined)
|
|
{
|
|
this.vy = vy;
|
|
}
|
|
|
|
// Invalidate the pre-calculated curve to force it to recalculate with these new settings
|
|
this.curve = null;
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Sets the tangent vector properties of this PathPoint.
|
|
*
|
|
* @method Phaser.PathPoint#setTangent
|
|
* @param {number} vx - The x coordinate of the tangent vector to create the curve from.
|
|
* @param {number} vy - The y coordinate of the tangent vector to create the curve from.
|
|
* @return {Phaser.PathPoint} This object.
|
|
*/
|
|
setTangent: function (vx, vy) {
|
|
|
|
this.vx = vx;
|
|
this.vy = vy;
|
|
|
|
// Invalidate the pre-calculated curve to force it to recalculate with these new settings
|
|
this.curve = null;
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Creates a clone of this PathPoint object.
|
|
*
|
|
* @method Phaser.PathPoint#clone
|
|
* @param {Phaser.PathPoint} [out] - An optional PathPoint object into which this object is cloned. If no object is provided a new PathPoint is created.
|
|
* @return {Phaser.PathPoint} A clone of this PathPoint.
|
|
*/
|
|
clone: function (out) {
|
|
|
|
if (out === undefined) { out = new Phaser.PathPoint(); }
|
|
|
|
return out.copy(this);
|
|
|
|
},
|
|
|
|
/**
|
|
* Copies all of the values from the given PathPoint object into this PathPoint.
|
|
* The source PathPoint is untouched by this operation.
|
|
*
|
|
* @method Phaser.PathPoint#copy
|
|
* @param {Phaser.PathPoint} source - The PathPoint object to copy the values from.
|
|
* @return {Phaser.PathPoint} This PathPoint object.
|
|
*/
|
|
copy: function (source) {
|
|
|
|
this.x = source.x;
|
|
this.y = source.y;
|
|
this.vx = source.vx;
|
|
this.vy = source.vy;
|
|
this.speed = source.speed;
|
|
this.data = source.data;
|
|
this.branchPath = source.branchPath;
|
|
this.branchPointIndex = source.branchPointIndex;
|
|
this.curve = null;
|
|
this.active = source.active;
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Compare this PathPoint with another PathPoint object and return `true`
|
|
* if they have the same `x`, `y` and `speed` properties, after taking the optional
|
|
* offset values into consideration.
|
|
*
|
|
* @method Phaser.PathPoint#equals
|
|
* @param {Phaser.PathPoint} pathPoint - The PathPoint to compare against this PathPoint.
|
|
* @param {number} [offsetX=0] - A value to apply to the x coordinate before comparison.
|
|
* @param {number} [offsetY=0] - A value to apply to the y coordinate before comparison.
|
|
* @return {boolean} True if the two PathPoint objects match, after the offsets are applied, or false if they don't.
|
|
*/
|
|
equals: function (pathPoint, offsetX, offsetY) {
|
|
|
|
if (offsetX === undefined) { offsetX = 0; }
|
|
if (offsetY === undefined) { offsetY = 0; }
|
|
|
|
return (this.x === pathPoint.x + offsetX &&
|
|
this.y === pathPoint.y + offsetY &&
|
|
this.speed === pathPoint.speed);
|
|
|
|
},
|
|
|
|
/**
|
|
* Serializes this PathPoint into a JSON object and returns it.
|
|
*
|
|
* @method Phaser.PathPoint#toJSON
|
|
* @return {Object} A JSON object representing this PathPoint.
|
|
*/
|
|
toJSON: function () {
|
|
|
|
return {
|
|
x: this.x,
|
|
y: this.y,
|
|
vx: this.vx,
|
|
vy: this.vy,
|
|
speed: this.speed,
|
|
data: this.data,
|
|
branchPath: !!this.branchPath ? this.branchPath.name : null,
|
|
branchPointIndex: this.branchPointIndex,
|
|
branchType: this.branchType
|
|
};
|
|
|
|
}
|
|
|
|
}; |