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gamepad-emulation.html
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gamepad-emulation.html
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<!DOCTYPE html>
<html>
<head>
<title>A-Frame - Gamepad Emulation</title>
<script src="js/aframe-master.min.js"></script>
<script src="js/aframe-extras.min.js"></script>
</head>
<body>
<script>
AFRAME.registerComponent('joystick', {
schema:
{
triggerPressed: {type: 'boolean', default: false},
triggerDown: {type: 'boolean', default: false},
triggerReleased: {type: 'boolean', default: false},
trackpadAxis0: {type: 'float', default: 0},
trackpadAxis1: {type: 'float', default: 0},
trackpadAngle: {type: 'float', default: 0},
trackpadTouch: {type: 'boolean', default: false}, // not implemented in this version of aframe
trackpadButtonPressed: {type: 'boolean', default: false},
trackpadButtonDown: {type: 'boolean', default: false},
trackpadButtonReleased: {type: 'boolean', default: false},
},
init: function()
{
this.textArea = document.querySelector('#textArea');
this.textArea.setAttribute("text", "value", "Joystick Initialized.");
this.tickNumber = 0;
this.triggerState = "--";
this.trackpadState = "--";
this.buttonState = "--";
this.touchState = "--";
this.axisState = "--";
let self = this;
// eventually, event listeners will set a queue variable, will be processed in tick
this.el.addEventListener("triggerdown", function(event)
{
self.data.triggerDown = true;
});
this.el.addEventListener("triggerup", function(event)
{
self.data.triggerDown = false;
});
this.el.addEventListener("trackpaddown", function(event)
{
self.data.trackpadButtonDown = true;
});
this.el.addEventListener("trackpadup", function(event)
{
self.data.trackpadButtonDown = false;
});
this.el.addEventListener("axismove", function(event)
{
// self.axisState = JSON.stringify(event.detail);
self.data.trackpadAxis0 = event.detail.axis[0];
self.data.trackpadAxis1 = event.detail.axis[1];
self.data.trackpadAngle = Math.atan2( event.detail.axis[1], event.detail.axis[0] ) * 180 / Math.PI;
});
},
tick: function (time, timeDelta)
{
/*
// let a = this.el.components["tracked-controls"].axis[0];
this.tickNumber += 1;
this.textArea.setAttribute("text", "value", this.tickNumber);
let p = this.el.getAttribute("position");
let x = p.x;
let y = p.y;
let z = p.z;
let isPressed = (z != 0 || x != 0);
let angle = Math.atan2(z, x) * 180 / Math.PI;
this.textArea.setAttribute("text", "value", isPressed + " " + Math.round(angle) + " degrees5"
+ "\n Trigger state: " + this.triggerState
+ "\n Trackpad state: " + this.trackpadState
+ "\n Button state: " + this.buttonState
+ "\n Touch state: " + this.touchState
+ "\n Axis state: " + this.axisState
);
// this.el.setAttribute("position", {x:0, y:0, z:0});
//this.el.object3D.position.set(0,0,0);
*/
}
});
AFRAME.registerComponent('joystick-display', {
tick: function()
{
let data = document.querySelector("#joystick").components["joystick"].data;
this.el.setAttribute("text", "value", "Controller data: "
+ "\n Trigger down: " + data.triggerDown
+ "\n Trackpad down: " + data.trackpadButtonDown
+ "\n Axis 0: " + data.trackpadAxis0.toFixed(2)
+ "\n Axis 1: " + data.trackpadAxis1.toFixed(2)
+ "\n Axis Angle: " + data.trackpadAngle.toFixed(0) );
},
});
</script>
<a-scene antialias="true">
<a-assets>
<img id="grid" src="images/border.png" crossorigin="anonymous" />
<img id="sky" src="images/stars.jpg" crossorigin="anonymous" />
</a-assets>
<a-entity camera position="0 1.5 1" look-controls></a-entity>
<a-entity id="leftHand" laser-controls="hand: left" raycaster="" line="color: #FF00FF"></a-entity>
<a-entity id="rightHand" laser-controls="hand: right" raycaster="" line="color: #FFFF00"></a-entity>
<a-sky
rotation = "0 0 0"
color = "#FFFFFF"
material = "src: #sky">
</a-sky>
<a-plane
width="100" height="100"
position=" 0.00 0.00 0.00"
rotation="-90 0 0"
color="#888888"
material="src: #grid; repeat:100 100; transparent: true; opacity: 0.75"
shadow="cast: false; receive: true">
</a-plane>
<a-entity
id = "joystick"
oculus-go-controls
joystick>
</a-entity>
<a-entity
id="textArea"
position="0 1.5 -2"
geometry="primitive: plane; width: 3; height:auto"
material="color: #444444; transparent: true; opacity: 0.80;"
text="anchor: center; baseline: center; wrapCount: 40;
transparent: true; opacity: 0.90; color: #8888FF;
value: a \n b \n c \n d"
joystick-display>
</a-entity>
</a-scene>
</body>
</html>