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Add getRelativeCenterPosition

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This commit is contained in:
Ryan Huffman 2014-12-04 10:29:10 -08:00
parent b2c5b19fd7
commit acd5495b2a
1 changed files with 12 additions and 6 deletions
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18
examples/libraries/entitySelectionTool.js
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@ -218,6 +218,17 @@ function normalizeDegrees(degrees) {
return degrees;
}
// Return the enter position of an entity relative to it's registrationPoint
// A registration point of (0.5, 0.5, 0.5) will have an offset of (0, 0, 0)
// A registration point of (1.0, 1.0, 1.0) will have an offset of (-dimensions.x / 2, -dimensions.y / 2, -dimensions.z / 2)
function getRelativeCenterPosition(dimensions, registrationPoint) {
return {
x: -dimensions.x * (registrationPoint.x - 0.5),
y: -dimensions.y * (registrationPoint.y - 0.5),
z: -dimensions.z * (registrationPoint.z - 0.5),
}
}
SelectionDisplay = (function () {
var that = {};
@ -1005,12 +1016,7 @@ SelectionDisplay = (function () {
z: dimensions.z * registrationPoint.z,
};
// Center of entity, relative to registration point
var center = {
x: dimensions.x / 2 - registrationPointDimensions.x,
y: dimensions.y / 2 - registrationPointDimensions.y,
z: dimensions.z / 2 - registrationPointDimensions.z,
};
center = getRelativeCenterPosition(position, dimensions, registrationPoint);
// Distances in world coordinates relative to the registration point
var left = -registrationPointDimensions.x;