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Added renderBodyVelocity

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This commit is contained in:
Richard Davey 2020-01-07 12:56:30 +00:00
parent 171ecb7fcc
commit c0e61cf2be
2 changed files with 52 additions and 1 deletions
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51
src/physics/matter-js/World.js
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@ -242,7 +242,6 @@ var World = new Class({
*/
this.debugConfig = {
showVelocity: true,
showCollisions: true,
showSeparations: true,
showIds: true,
@ -260,6 +259,9 @@ var World = new Class({
showBounds: GetFastValue(debugConfig, 'showBounds', false),
boundsColor: GetFastValue(debugConfig, 'boundsColor', 0xffffff),
showVelocity: GetFastValue(debugConfig, 'showVelocity', false),
velocityColor: GetFastValue(debugConfig, 'velocityColor', 0x00aeef),
showBody: GetFastValue(debugConfig, 'showBody', true),
showStaticBody: GetFastValue(debugConfig, 'showStaticBody', true),
showInternalEdges: GetFastValue(debugConfig, 'showInternalEdges', false),
@ -1322,6 +1324,11 @@ var World = new Class({
this.renderBodyAxes(bodies, graphics, config.showAxes, config.angleColor, 0.5);
}
if (config.showVelocity)
{
this.renderBodyVelocity(bodies, graphics, config.velocityColor, 1, 2);
}
if (config.showBody || config.showStaticBody)
{
this.renderBodies(bodies);
@ -1504,6 +1511,48 @@ var World = new Class({
return this;
},
/**
* Renders a velocity indicator for an array of Bodies, to the given Graphics instance.
*
* The debug renderer calls this method if the `showVelocity` config value is set.
*
* This method is used internally by the Matter Debug Renderer, but is also exposed publically should
* you wish to render bounds to your own Graphics instance.
*
* @method Phaser.Physics.Matter.World#renderBodyVelocity
* @since 3.22.0
*
* @param {array} bodies - An array of bodies from the localWorld.
* @param {Phaser.GameObjects.Graphics} graphics - The Graphics object to render to.
* @param {number} lineColor - The line color.
* @param {number} lineOpacity - The line opacity, between 0 and 1.
* @param {number} lineThickness - The line thickness.
*/
renderBodyVelocity: function (bodies, graphics, lineColor, lineOpacity, lineThickness)
{
graphics.lineStyle(lineThickness, lineColor, lineOpacity);
for (var i = 0; i < bodies.length; i++)
{
var body = bodies[i];
// 1) Don't show invisible bodies
if (!body.render.visible)
{
continue;
}
graphics.lineBetween(
body.position.x,
body.position.y,
body.position.x + (body.position.x - body.positionPrev.x) * 2,
body.position.y + (body.position.y - body.positionPrev.y) * 2
);
}
return this;
},
/**
* Renders the given array of Bodies to the debug graphics instance.
*

2
src/physics/matter-js/typedefs/MatterDebugConfig.js
View file

@ -16,6 +16,8 @@
* @property {boolean} [showAxes=false] - Render all of the body axes?
* @property {boolean} [showAngleIndicator=false] - Render just the single body angle?
* @property {boolean} [angleColor=0xe81153] - The color of the body angle / axes lines.
* @property {boolean} [showVelocity=false] - Render the velocity of the bodies in the world?
* @property {boolean} [velocityColor=0x00aeef] - The color of the body velocity line.
* @property {boolean} [renderFill=false] - Render the bodies using a fill color.
* @property {boolean} [renderLine=true] - Render the bodies using a line stroke.
* @property {number} [fillColor=0x106909] - The color value of the fill when rendering dynamic bodies.