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https://github.com/Doodle3D/Doodle3D-Slicer.git
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56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
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/**
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* @author dmarcos / http://github.com/dmarcos
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*
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* This controls allow to change the orientation of the camera using the mouse
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*/
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THREE.MouseControls = function ( object ) {
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var scope = this;
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var PI_2 = Math.PI / 2;
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var mouseQuat = {
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x: new THREE.Quaternion(),
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y: new THREE.Quaternion()
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};
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var object = object;
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var xVector = new THREE.Vector3( 1, 0, 0 );
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var yVector = new THREE.Vector3( 0, 1, 0 );
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var onMouseMove = function ( event ) {
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if ( scope.enabled === false ) return;
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var orientation = scope.orientation;
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var movementX = event.movementX || event.mozMovementX || event.webkitMovementX || 0;
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var movementY = event.movementY || event.mozMovementY || event.webkitMovementY || 0;
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orientation.y += movementX * 0.0025;
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orientation.x += movementY * 0.0025;
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orientation.x = Math.max( - PI_2, Math.min( PI_2, orientation.x ) );
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};
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this.enabled = true;
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this.orientation = {
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x: 0,
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y: 0,
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};
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this.update = function() {
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if ( this.enabled === false ) return;
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mouseQuat.x.setFromAxisAngle( xVector, this.orientation.x );
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mouseQuat.y.setFromAxisAngle( yVector, this.orientation.y );
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object.quaternion.copy(mouseQuat.y).multiply(mouseQuat.x)
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return;
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};
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document.addEventListener( 'mousemove', onMouseMove, false );
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};
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