43 lines
1.6 KiB
JavaScript
43 lines
1.6 KiB
JavaScript
AFRAME.registerComponent("lerpsmooth", {
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init: function() {
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this.target = document.querySelector('#smoothed-box');
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this.prevPosition = null;
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this.prevRotation = null;
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},
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tick: function() {
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// if marker is visible
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if (this.el.object3D.visible) {
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// also make the object-to-smooth visible
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this.target.setAttribute('visible', 'true')
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this.target.object3D.rotation.setFromVector3(this.el.object3D.rotation.toVector3())
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// if we know about the previous position
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if(this.prevPosition) {
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// smooth position
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this.target.object3D.position.lerp(this.prevPosition, 0.1)
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// smooth rotation
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// let rot = this.target.object3D.rotation.toVector3().lerp(this.prevRotation, 0.1)
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}
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// we don't know about the previous position
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else {
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// initial values to start with
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var initialPosition = this.el.getAttribute('position')
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var initialRotation = this.el.getAttribute('rotation')
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// TODO This does not take into account the initial `position` and `rotation` values of the target, so everything starts at the marker with 0 0 0
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this.target.setAttribute('position', initialPosition)
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this.target.setAttribute('rotation', initialRotation)
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}
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// cache position for next tick
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this.prevPosition = this.el.object3D.position
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this.prevRotation = this.el.object3D.rotation
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}
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// marker is not visible
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else {
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// also make the object-to-smooth invisible
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this.target.setAttribute('visible', 'false')
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// reset the cache position
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this.prevPosition = null;
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this.prevRotation = null;
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}
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}
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}) |