Is there a way in Aframe to automatically teleport the camera back to point 0, 0, 0 once it reaches a distance of 20 spaces away from that location? I am curious if this is a simple task or more complex. Any tips on how I can accomplish this?
Is there a way in Aframe to automatically teleport the camera back to point 0, 0, 0 once it reaches a distance of 20 spaces away from that location? I am curious if this is a simple task or more complex. Any tips on how I can accomplish this?
To obtain the object's position, you can utilize el.object3D.position which will provide a vector containing x, y, and z values. Alternatively, you can access specific axes using el.object3D.position.x (or .y / .z for individual axes).
To change the position, you can assign new values to the position property like so: el.object3D.position.x = 23.12.
As suggested by @Piotr Adam Milewski, calculating distance involves formulas such as distance = sqrt(x^2 + y^2 + z^2), or utilizing THREE.Vector3.distanceTo() method and adjusting the position based on a given threshold value (default camera position is 0, 1.6, 0 not 0, 0, 0).
<!DOCTYPE html>
<html lang="en">
<head>
<script src="https://aframe.io/releases/1.2.0/aframe.min.js"></script>
<meta charset="UTF-8" />
</head>
<body>
<script>
AFRAME.registerComponent('limit-my-distance', {
init: function() {
this.zero = new THREE.Vector3(0, 0, 0);
},
tick: function() {
if (this.el.object3D.position.distanceTo(this.zero) > 10) {
this.el.object3D.position.set(0, 1.6, 0);
}
//this.el.object3D.position.x += 0.1;
}
});
</script>
<a-scene>
<a-sphere position="0 2 -10"color="red"></a-sphere>
<a-plane color="green" position="0 0 -5" rotation="-90 0 0" width="20" height="20"></a-plane>
<a-camera limit-my-distance></a-camera>
<a-sky color="#fff"></a-sky>
</a-scene>
</body>
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