phaser/src/gameobjects/shape/line/LineCanvasRenderer.js
2019-05-10 16:15:04 +01:00

51 lines
1.8 KiB
JavaScript

/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2019 Photon Storm Ltd.
* @license {@link https://opensource.org/licenses/MIT|MIT License}
*/
var LineStyleCanvas = require('../LineStyleCanvas');
var SetTransform = require('../../../renderer/canvas/utils/SetTransform');
/**
* Renders this Game Object with the Canvas Renderer to the given Camera.
* The object will not render if any of its renderFlags are set or it is being actively filtered out by the Camera.
* This method should not be called directly. It is a utility function of the Render module.
*
* @method Phaser.GameObjects.Line#renderCanvas
* @since 3.13.0
* @private
*
* @param {Phaser.Renderer.Canvas.CanvasRenderer} renderer - A reference to the current active Canvas renderer.
* @param {Phaser.GameObjects.Line} src - The Game Object being rendered in this call.
* @param {number} interpolationPercentage - Reserved for future use and custom pipelines.
* @param {Phaser.Cameras.Scene2D.Camera} camera - The Camera that is rendering the Game Object.
* @param {Phaser.GameObjects.Components.TransformMatrix} parentMatrix - This transform matrix is defined if the game object is nested
*/
var LineCanvasRenderer = function (renderer, src, interpolationPercentage, camera, parentMatrix)
{
var ctx = renderer.currentContext;
if (SetTransform(renderer, ctx, src, camera, parentMatrix))
{
var dx = src._displayOriginX;
var dy = src._displayOriginY;
if (src.isStroked)
{
LineStyleCanvas(ctx, src);
ctx.beginPath();
ctx.moveTo(src.geom.x1 - dx, src.geom.y1 - dy);
ctx.lineTo(src.geom.x2 - dx, src.geom.y2 - dy);
ctx.stroke();
}
// Restore the context saved in SetTransform
ctx.restore();
}
};
module.exports = LineCanvasRenderer;