概要
Plunkerで、Phaser.Physicsやってみた。
revoluteJoint、使ってみた。
写真
サンプルコード
var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'phaser-example', {
preload: preload,
create: create,
update: update,
render: render
});
function preload() {
game.load.image('a', 'assets/sprites/a.png');
game.load.image('b', 'assets/sprites/b.png');
}
var codeCaption;
var bodyAs = [];
function create() {
game.stage.backgroundColor = '#124184';
game.physics.startSystem(Phaser.Physics.BOX2D);
game.physics.box2d.debugDraw.joints = true;
game.physics.box2d.gravity.y = 500;
{
var spriteA = game.add.sprite(200, 200, 'a');
game.physics.box2d.enable(spriteA);
spriteA.body.static = true;
var spriteB = game.add.sprite(200, 200, 'b');
game.physics.box2d.enable(spriteB);
game.physics.box2d.revoluteJoint(spriteA, spriteB);
bodyAs.push(spriteA.body);
}
{
var spriteA = game.add.sprite(600, 200, 'a');
game.physics.box2d.enable(spriteA);
spriteA.body.static = true;
var spriteB = game.add.sprite(600, 200, 'b');
game.physics.box2d.enable(spriteB);
game.physics.box2d.revoluteJoint(spriteA, spriteB, 60, 40, -10, -20);
bodyAs.push(spriteA.body);
}
{
var spriteA = game.add.sprite(200, 400, 'a');
game.physics.box2d.enable(spriteA);
spriteA.body.static = true;
var spriteB = game.add.sprite(200, 400, 'b');
game.physics.box2d.enable(spriteB);
game.physics.box2d.revoluteJoint(spriteA, spriteB, 0, 0, 0, 0, 360, 100, true);
bodyAs.push(spriteA.body);
}
{
var spriteA = game.add.sprite(600, 400, 'a');
game.physics.box2d.enable(spriteA);
spriteA.body.static = true;
var spriteB = game.add.sprite(600, 400, 'b');
game.physics.box2d.enable(spriteB);
game.physics.box2d.revoluteJoint(spriteA, spriteB, 0, 0, 0, 0, 0, 0, false, -45, 60, true);
bodyAs.push(spriteA.body);
}
game.input.onDown.add(mouseDragStart, this);
game.input.addMoveCallback(mouseDragMove, this);
game.input.onUp.add(mouseDragEnd, this);
game.add.text(5, 5, 'Revolute joint. Click to start.', {
fill: '#ffffff',
font: '14pt Arial'
});
game.add.text(5, 25, 'Mouse over bodyA to see the code used to create the joint.', {
fill: '#ffffff',
font: '14pt Arial'
});
codeCaption = game.add.text(5, 50, 'Parameters: bodyA, bodyB, ax, ay, bx, by, motorSpeed, motorTorque, motorEnabled, lowerLimit, upperLimit, limitEnabled', {
fill: '#dddddd',
font: '10pt Arial'
});
codeCaption = game.add.text(5, 65, '', {
fill: '#ccffcc',
font: '14pt Arial'
});
game.paused = true;
game.input.onDown.add(function() {
game.paused = false;
}, this);
}
function mouseDragStart() {
game.physics.box2d.mouseDragStart(game.input.mousePointer);
}
function mouseDragMove() {
game.physics.box2d.mouseDragMove(game.input.mousePointer);
}
function mouseDragEnd() {
game.physics.box2d.mouseDragEnd();
}
function update() {
if ( bodyAs[0].containsPoint(game.input.mousePointer) )
{
codeCaption.text = 'game.physics.box2d.revoluteJoint(spriteA, spriteB)';
}
else if ( bodyAs[1].containsPoint(game.input.mousePointer) )
{
codeCaption.text = 'game.physics.box2d.revoluteJoint(spriteA, spriteB, 60, 40, -10, -20)';
}
else if ( bodyAs[2].containsPoint(game.input.mousePointer) )
{
codeCaption.text = 'game.physics.box2d.revoluteJoint(spriteA, spriteB, 0, 0, 0, 0, 360, 100, true)';
}
else if ( bodyAs[3].containsPoint(game.input.mousePointer) )
{
codeCaption.text = 'game.physics.box2d.revoluteJoint(spriteA, spriteB, 0, 0, 0, 0, 0, 0, false, -45, 60, true)';
}
else
{
codeCaption.text = '';
}
}
function render() {
if ( game.paused )
{
update();
}
game.debug.box2dWorld();
}
成果物
以上。