/docs/BodyDebug.js.html
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-
- <h1 class="page-title">Source: physics/p2/BodyDebug.js</h1>
-
- <section>
- <article>
- <pre class="sunlight-highlight-javascript linenums">/**
- * @author George https://github.com/georgiee
- * @author Richard Davey <rich@photonstorm.com>
- * @copyright 2014 Photon Storm Ltd.
- * @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
- */
- /**
- * Draws a P2 Body to a Graphics instance for visual debugging.
- * Needless to say, for every body you enable debug drawing on, you are adding processor and graphical overhead.
- * So use sparingly and rarely (if ever) in production code.
- *
- * @class Phaser.Physics.P2.BodyDebug
- * @classdesc Physics Body Debug Constructor
- * @constructor
- * @extends Phaser.Group
- * @param {Phaser.Game} game - Game reference to the currently running game.
- * @param {Phaser.Physics.P2.Body} body - The P2 Body to display debug data for.
- * @param {object} settings - Settings object.
- */
- Phaser.Physics.P2.BodyDebug = function(game, body, settings) {
- Phaser.Group.call(this, game);
- /**
- * @property {object} defaultSettings - Default debug settings.
- * @private
- */
- var defaultSettings = {
- pixelsPerLengthUnit: 20,
- debugPolygons: false,
- lineWidth: 1,
- alpha: 0.5
- };
- this.settings = Phaser.Utils.extend(defaultSettings, settings);
- /**
- * @property {number} ppu - Pixels per Length Unit.
- */
- this.ppu = this.settings.pixelsPerLengthUnit;
- this.ppu = -1 * this.ppu;
- /**
- * @property {Phaser.Physics.P2.Body} body - The P2 Body to display debug data for.
- */
- this.body = body;
- /**
- * @property {Phaser.Graphics} canvas - The canvas to render the debug info to.
- */
- this.canvas = new Phaser.Graphics(game);
- this.canvas.alpha = this.settings.alpha;
- this.add(this.canvas);
- this.draw();
- };
- Phaser.Physics.P2.BodyDebug.prototype = Object.create(Phaser.Group.prototype);
- Phaser.Physics.P2.BodyDebug.prototype.constructor = Phaser.Physics.P2.BodyDebug;
- Phaser.Utils.extend(Phaser.Physics.P2.BodyDebug.prototype, {
- /**
- * Core update.
- *
- * @method Phaser.Physics.P2.BodyDebug#update
- */
- update: function() {
- this.updateSpriteTransform();
- },
- /**
- * Core update.
- *
- * @method Phaser.Physics.P2.BodyDebug#updateSpriteTransform
- */
- updateSpriteTransform: function() {
- this.position.x = this.body.position[0] * this.ppu;
- this.position.y = this.body.position[1] * this.ppu;
- return this.rotation = this.body.angle;
- },
- /**
- * Draws the P2 shapes to the Graphics object.
- *
- * @method Phaser.Physics.P2.BodyDebug#draw
- */
- draw: function() {
- var angle, child, color, i, j, lineColor, lw, obj, offset, sprite, v, verts, vrot, _j, _ref1;
- obj = this.body;
- sprite = this.canvas;
- sprite.clear();
- color = parseInt(this.randomPastelHex(), 16);
- lineColor = 0xff0000;
- lw = this.lineWidth;
- if (obj instanceof p2.Body && obj.shapes.length)
- {
- var l = obj.shapes.length;
- i = 0;
- while (i !== l)
- {
- child = obj.shapes[i];
- offset = obj.shapeOffsets[i];
- angle = obj.shapeAngles[i];
- offset = offset || 0;
- angle = angle || 0;
- if (child instanceof p2.Circle)
- {
- this.drawCircle(sprite, offset[0] * this.ppu, offset[1] * this.ppu, angle, child.radius * this.ppu, color, lw);
- }
- else if (child instanceof p2.Convex)
- {
- verts = [];
- vrot = p2.vec2.create();
- for (j = _j = 0, _ref1 = child.vertices.length; 0 <= _ref1 ? _j < _ref1 : _j > _ref1; j = 0 <= _ref1 ? ++_j : --_j)
- {
- v = child.vertices[j];
- p2.vec2.rotate(vrot, v, angle);
- verts.push([(vrot[0] + offset[0]) * this.ppu, -(vrot[1] + offset[1]) * this.ppu]);
- }
- this.drawConvex(sprite, verts, child.triangles, lineColor, color, lw, this.settings.debugPolygons, [offset[0] * this.ppu, -offset[1] * this.ppu]);
- }
- else if (child instanceof p2.Plane)
- {
- this.drawPlane(sprite, offset[0] * this.ppu, -offset[1] * this.ppu, color, lineColor, lw * 5, lw * 10, lw * 10, this.ppu * 100, angle);
- }
- else if (child instanceof p2.Line)
- {
- this.drawLine(sprite, child.length * this.ppu, lineColor, lw);
- }
- else if (child instanceof p2.Rectangle)
- {
- this.drawRectangle(sprite, offset[0] * this.ppu, -offset[1] * this.ppu, angle, child.width * this.ppu, child.height * this.ppu, lineColor, color, lw);
- }
- i++;
- }
- }
- },
- /**
- * Draws the P2 shapes to the Graphics object.
- *
- * @method Phaser.Physics.P2.BodyDebug#draw
- */
- drawRectangle: function(g, x, y, angle, w, h, color, fillColor, lineWidth) {
- if (typeof lineWidth === 'undefined') { lineWidth = 1; }
- if (typeof color === 'undefined') { color = 0x000000; }
- g.lineStyle(lineWidth, color, 1);
- g.beginFill(fillColor);
- g.drawRect(x - w / 2, y - h / 2, w, h);
- },
- /**
- * Draws a P2 Circle shape.
- *
- * @method Phaser.Physics.P2.BodyDebug#drawCircle
- */
- drawCircle: function(g, x, y, angle, radius, color, lineWidth) {
- if (typeof lineWidth === 'undefined') { lineWidth = 1; }
- if (typeof color === 'undefined') { color = 0xffffff; }
- g.lineStyle(lineWidth, 0x000000, 1);
- g.beginFill(color, 1.0);
- g.drawCircle(x, y, -radius);
- g.endFill();
- g.moveTo(x, y);
- g.lineTo(x + radius * Math.cos(-angle), y + radius * Math.sin(-angle));
- },
- /**
- * Draws a P2 Line shape.
- *
- * @method Phaser.Physics.P2.BodyDebug#drawCircle
- */
- drawLine: function(g, len, color, lineWidth) {
- if (typeof lineWidth === 'undefined') { lineWidth = 1; }
- if (typeof color === 'undefined') { color = 0x000000; }
- g.lineStyle(lineWidth * 5, color, 1);
- g.moveTo(-len / 2, 0);
- g.lineTo(len / 2, 0);
- },
- /**
- * Draws a P2 Convex shape.
- *
- * @method Phaser.Physics.P2.BodyDebug#drawConvex
- */
- drawConvex: function(g, verts, triangles, color, fillColor, lineWidth, debug, offset) {
- var colors, i, v, v0, v1, x, x0, x1, y, y0, y1;
- if (typeof lineWidth === 'undefined') { lineWidth = 1; }
- if (typeof color === 'undefined') { color = 0x000000; }
- if (!debug)
- {
- g.lineStyle(lineWidth, color, 1);
- g.beginFill(fillColor);
- i = 0;
- while (i !== verts.length)
- {
- v = verts[i];
- x = v[0];
- y = v[1];
- if (i === 0)
- {
- g.moveTo(x, -y);
- }
- else
- {
- g.lineTo(x, -y);
- }
- i++;
- }
- g.endFill();
- if (verts.length > 2)
- {
- g.moveTo(verts[verts.length - 1][0], -verts[verts.length - 1][1]);
- return g.lineTo(verts[0][0], -verts[0][1]);
- }
- }
- else
- {
- colors = [0xff0000, 0x00ff00, 0x0000ff];
- i = 0;
- while (i !== verts.length + 1)
- {
- v0 = verts[i % verts.length];
- v1 = verts[(i + 1) % verts.length];
- x0 = v0[0];
- y0 = v0[1];
- x1 = v1[0];
- y1 = v1[1];
- g.lineStyle(lineWidth, colors[i % colors.length], 1);
- g.moveTo(x0, -y0);
- g.lineTo(x1, -y1);
- g.drawCircle(x0, -y0, lineWidth * 2);
- i++;
- }
- g.lineStyle(lineWidth, 0x000000, 1);
- return g.drawCircle(offset[0], offset[1], lineWidth * 2);
- }
- },
- /**
- * Draws a P2 Path.
- *
- * @method Phaser.Physics.P2.BodyDebug#drawPath
- */
- drawPath: function(g, path, color, fillColor, lineWidth) {
- var area, i, lastx, lasty, p1x, p1y, p2x, p2y, p3x, p3y, v, x, y;
- if (typeof lineWidth === 'undefined') { lineWidth = 1; }
- if (typeof color === 'undefined') { color = 0x000000; }
- g.lineStyle(lineWidth, color, 1);
- if (typeof fillColor === "number")
- {
- g.beginFill(fillColor);
- }
- lastx = null;
- lasty = null;
- i = 0;
- while (i < path.length)
- {
- v = path[i];
- x = v[0];
- y = v[1];
- if (x !== lastx || y !== lasty)
- {
- if (i === 0)
- {
- g.moveTo(x, y);
- }
- else
- {
- p1x = lastx;
- p1y = lasty;
- p2x = x;
- p2y = y;
- p3x = path[(i + 1) % path.length][0];
- p3y = path[(i + 1) % path.length][1];
- area = ((p2x - p1x) * (p3y - p1y)) - ((p3x - p1x) * (p2y - p1y));
- if (area !== 0)
- {
- g.lineTo(x, y);
- }
- }
- lastx = x;
- lasty = y;
- }
- i++;
- }
- if (typeof fillColor === "number")
- {
- g.endFill();
- }
- if (path.length > 2 && typeof fillColor === "number")
- {
- g.moveTo(path[path.length - 1][0], path[path.length - 1][1]);
- g.lineTo(path[0][0], path[0][1]);
- }
- },
- /**
- * Draws a P2 Plane shape.
- *
- * @method Phaser.Physics.P2.BodyDebug#drawPlane
- */
- drawPlane: function(g, x0, x1, color, lineColor, lineWidth, diagMargin, diagSize, maxLength, angle) {
- var max, xd, yd;
- if (typeof lineWidth === 'undefined') { lineWidth = 1; }
- if (typeof color === 'undefined') { color = 0xffffff; }
- g.lineStyle(lineWidth, lineColor, 11);
- g.beginFill(color);
- max = maxLength;
- g.moveTo(x0, -x1);
- xd = x0 + Math.cos(angle) * this.game.width;
- yd = x1 + Math.sin(angle) * this.game.height;
- g.lineTo(xd, -yd);
- g.moveTo(x0, -x1);
- xd = x0 + Math.cos(angle) * -this.game.width;
- yd = x1 + Math.sin(angle) * -this.game.height;
- g.lineTo(xd, -yd);
- },
- /**
- * Picks a random pastel color.
- *
- * @method Phaser.Physics.P2.BodyDebug#randomPastelHex
- */
- randomPastelHex: function() {
- var blue, green, mix, red;
- mix = [255, 255, 255];
- red = Math.floor(Math.random() * 256);
- green = Math.floor(Math.random() * 256);
- blue = Math.floor(Math.random() * 256);
- red = Math.floor((red + 3 * mix[0]) / 4);
- green = Math.floor((green + 3 * mix[1]) / 4);
- blue = Math.floor((blue + 3 * mix[2]) / 4);
- return this.rgbToHex(red, green, blue);
- },
- /**
- * Converts from RGB to Hex.
- *
- * @method Phaser.Physics.P2.BodyDebug#rgbToHex
- */
- rgbToHex: function(r, g, b) {
- return this.componentToHex(r) + this.componentToHex(g) + this.componentToHex(b);
- },
- /**
- * Component to hex conversion.
- *
- * @method Phaser.Physics.P2.BodyDebug#componentToHex
- */
- componentToHex: function(c) {
- var hex;
- hex = c.toString(16);
- if (hex.len === 2)
- {
- return hex;
- }
- else
- {
- return hex + '0';
- }
- }
- });
- </pre>
- </article>
- </section>
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