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Merge pull request #7065 from zzmp/fix/circle3d-click

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Fix circle3d FindRayIntersection
This commit is contained in:
Brad Hefta-Gaub 2016-02-11 13:07:00 -08:00
commit d14b9ab9b6
1 changed files with 7 additions and 6 deletions
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13
interface/src/ui/overlays/Circle3DOverlay.cpp
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@ -10,6 +10,7 @@
#include "Circle3DOverlay.h"
#include <GeometryUtil.h>
#include <GeometryCache.h>
#include <RegisteredMetaTypes.h>
@ -400,18 +401,18 @@ QScriptValue Circle3DOverlay::getProperty(const QString& property) {
bool Circle3DOverlay::findRayIntersection(const glm::vec3& origin, const glm::vec3& direction, float& distance,
BoxFace& face, glm::vec3& surfaceNormal) {
bool intersects = Planar3DOverlay::findRayIntersection(origin, direction, distance, face, surfaceNormal);
// Scale the dimensions by the diameter
glm::vec2 dimensions = getOuterRadius() * 2.0f * getDimensions();
bool intersects = findRayRectangleIntersection(origin, direction, getRotation(), getPosition(), dimensions, distance);
if (intersects) {
glm::vec3 hitPosition = origin + (distance * direction);
glm::vec3 localHitPosition = glm::inverse(getRotation()) * (hitPosition - getPosition());
localHitPosition.y = localHitPosition.y * getDimensions().x / getDimensions().y; // Scale to make circular
localHitPosition.x /= getDimensions().x;
localHitPosition.y /= getDimensions().y;
float distanceToHit = glm::length(localHitPosition);
float innerRadius = getDimensions().x / 2.0f * _innerRadius;
float outerRadius = getDimensions().x / 2.0f * _outerRadius;
intersects = innerRadius <= distanceToHit && distanceToHit <= outerRadius;
intersects = getInnerRadius() <= distanceToHit && distanceToHit <= getOuterRadius();
}
return intersects;