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Fix position of overlays when registrationPoint is not centered

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This commit is contained in:
Ryan Huffman 2014-12-04 10:05:34 -08:00
parent f48d304df0
commit 53f195eec4
1 changed files with 53 additions and 28 deletions
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81
examples/libraries/entitySelectionTool.js
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@ -985,26 +985,40 @@ SelectionDisplay = (function () {
that.updateRotationHandles();
that.highlightSelectable();
var rotation, dimensions, position;
var rotation, dimensions, position, registrationPoint;
if (spaceMode == SPACE_LOCAL) {
rotation = SelectionManager.localRotation;
dimensions = SelectionManager.localDimensions;
position = SelectionManager.localPosition;
registrationPoint = SelectionManager.localRegistrationPoint;
} else {
rotation = Quat.fromPitchYawRollDegrees(0, 0, 0);
dimensions = SelectionManager.worldDimensions;
position = SelectionManager.worldPosition;
registrationPoint = SelectionManager.worldRegistrationPoint;
}
var halfDimensions = Vec3.multiply(0.5, dimensions);
var registrationPointDimensions = {
x: dimensions.x * registrationPoint.x,
y: dimensions.y * registrationPoint.y,
z: dimensions.z * registrationPoint.z,
};
var left = -halfDimensions.x;
var right = halfDimensions.x;
var top = halfDimensions.y;
var bottom = -halfDimensions.y;
var front = far = halfDimensions.z;
var near = -halfDimensions.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,
};
// Distances in world coordinates relative to the registration point
var left = -registrationPointDimensions.x;
var right = dimensions.x - registrationPointDimensions.x;
var bottom = -registrationPointDimensions.y;
var top = dimensions.y - registrationPointDimensions.y;
var near = -registrationPointDimensions.z;
var front = far = dimensions.z - registrationPointDimensions.z;
var worldTop = SelectionManager.worldDimensions.y / 2;
@ -1017,25 +1031,25 @@ SelectionDisplay = (function () {
var LTF = { x: left, y: top, z: far };
var RTF = { x: right, y: top, z: far };
var TOP = { x: 0, y: top, z: 0 };
var BOTTOM = { x: 0, y: bottom, z: 0 };
var LEFT = { x: left, y: 0, z: 0 };
var RIGHT = { x: right, y: 0, z: 0 };
var NEAR = { x: 0, y: 0, z: near };
var FAR = { x: 0, y: 0, z: far };
var TOP = { x: center.x, y: top, z: center.z };
var BOTTOM = { x: center.x, y: bottom, z: center.z };
var LEFT = { x: left, y: center.y, z: center.z };
var RIGHT = { x: right, y: center.y, z: center.z };
var NEAR = { x: center.x, y: center.y, z: near };
var FAR = { x: center.x, y: center.y, z: far };
var EdgeTR = { x: right, y: top, z: 0 };
var EdgeTL = { x: left, y: top, z: 0 };
var EdgeTF = { x: 0, y: top, z: front };
var EdgeTN = { x: 0, y: top, z: near };
var EdgeBR = { x: right, y: bottom, z: 0 };
var EdgeBL = { x: left, y: bottom, z: 0 };
var EdgeBF = { x: 0, y: bottom, z: front };
var EdgeBN = { x: 0, y: bottom, z: near };
var EdgeNR = { x: right, y: 0, z: near };
var EdgeNL = { x: left, y: 0, z: near };
var EdgeFR = { x: right, y: 0, z: front };
var EdgeFL = { x: left, y: 0, z: front };
var EdgeTR = { x: right, y: top, z: center.z };
var EdgeTL = { x: left, y: top, z: center.z };
var EdgeTF = { x: center.x, y: top, z: front };
var EdgeTN = { x: center.x, y: top, z: near };
var EdgeBR = { x: right, y: bottom, z: center.z };
var EdgeBL = { x: left, y: bottom, z: center.z };
var EdgeBF = { x: center.x, y: bottom, z: front };
var EdgeBN = { x: center.x, y: bottom, z: near };
var EdgeNR = { x: right, y: center.y, z: near };
var EdgeNL = { x: left, y: center.y, z: near };
var EdgeFR = { x: right, y: center.y, z: front };
var EdgeFL = { x: left, y: center.y, z: front };
LBN = Vec3.multiplyQbyV(rotation, LBN);
RBN = Vec3.multiplyQbyV(rotation, RBN);
@ -1114,8 +1128,10 @@ SelectionDisplay = (function () {
Overlays.editOverlay(grabberNEAR, { visible: extendedStretchHandlesVisible, rotation: rotation, position: NEAR });
Overlays.editOverlay(grabberFAR, { visible: extendedStretchHandlesVisible, rotation: rotation, position: FAR });
var boxPosition = Vec3.multiplyQbyV(rotation, center);
boxPosition = Vec3.sum(position, boxPosition);
Overlays.editOverlay(selectionBox, {
position: position,
position: boxPosition,
dimensions: dimensions,
rotation: rotation,
visible: !(mode == "ROTATE_YAW" || mode == "ROTATE_PITCH" || mode == "ROTATE_ROLL"),
@ -1143,8 +1159,17 @@ SelectionDisplay = (function () {
if (selectionManager.selections.length > 1) {
for (; i < selectionManager.selections.length; i++) {
var properties = Entities.getEntityProperties(selectionManager.selections[i]);
// Adjust overlay position to take registrationPoint into account
// centeredRP = registrationPoint with range [-0.5, 0.5]
var centeredRP = Vec3.subtract(properties.registrationPoint, { x: 0.5, y: 0.5, z: 0.5 });
var offset = vec3Mult(properties.dimensions, centeredRP);
offset = Vec3.multiply(-1, offset);
offset = Vec3.multiplyQbyV(properties.rotation, offset);
var boxPosition = Vec3.sum(properties.position, offset);
Overlays.editOverlay(selectionBoxes[i], {
position: properties.position,
position: boxPosition,
rotation: properties.rotation,
dimensions: properties.dimensions,
visible: true,