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Fix handle scaling down to very small dimensions

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This commit is contained in:
David Rowe 2017-07-21 13:18:10 +12:00
parent e2cace2372
commit e09113fef5
1 changed files with 5 additions and 3 deletions
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8
scripts/vr-edit/vr-edit.js
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@ -1313,6 +1313,7 @@
initialHandleOrientationInverse,
initialHandleRegistrationOffset,
initialSelectionOrientationInverse,
MIN_SCALE = 0.001,
intersection;
@ -1520,14 +1521,15 @@
scaleAxis = Vec3.multiplyQbyV(selection.getPositionAndOrientation().orientation, handleUnitScaleAxis);
handleDistance = Math.abs(Vec3.dot(Vec3.subtract(otherTargetPosition, boundingBoxCenter), scaleAxis));
handleDistance -= handleHandOffset;
handleDistance = Math.max(handleDistance, MIN_SCALE);
// Scale selection relative to initial dimensions.
scale = handleDistance / initialHandleDistance;
scale3D = Vec3.multiply(scale, handleScaleDirections);
scale3D = {
x: scale3D.x !== 0 ? scale3D.x : 1,
y: scale3D.y !== 0 ? scale3D.y : 1,
z: scale3D.z !== 0 ? scale3D.z : 1
x: handleScaleDirections.x !== 0 ? scale3D.x : 1,
y: handleScaleDirections.y !== 0 ? scale3D.y : 1,
z: handleScaleDirections.z !== 0 ? scale3D.z : 1
};
// Reposition selection per scale.