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Extend Extents

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This commit is contained in:
Atlante45 2015-06-23 16:36:57 -07:00
parent 233d92c315
commit 85b2771c4a
2 changed files with 18 additions and 1 deletions
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11
libraries/shared/src/Extents.cpp
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@ -10,12 +10,14 @@
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html // See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
// //
#include "Extents.h"
#include <glm/gtc/quaternion.hpp> #include <glm/gtc/quaternion.hpp>
#include <glm/gtx/quaternion.hpp> #include <glm/gtx/quaternion.hpp>
#include <glm/gtx/transform.hpp> #include <glm/gtx/transform.hpp>
#include "AABox.h" #include "AABox.h"
#include "Extents.h" #include "Transform.h"
void Extents::reset() { void Extents::reset() {
minimum = glm::vec3(FLT_MAX); minimum = glm::vec3(FLT_MAX);
@ -78,3 +80,10 @@ void Extents::rotate(const glm::quat& rotation) {
glm::max(topRightNearRotated, glm::max(topRightNearRotated,
glm::max(topLeftFarRotated,topRightFarRotated))))))); glm::max(topLeftFarRotated,topRightFarRotated)))))));
} }
void Extents::transform(const Transform& transform) {
scale(transform.getScale());
rotate(transform.getRotation());
shiftBy(transform.getTranslation());
}

8
libraries/shared/src/Extents.h
View file

@ -20,6 +20,7 @@
#include "StreamUtils.h" #include "StreamUtils.h"
class AABox; class AABox;
class Transform;
class Extents { class Extents {
public: public:
@ -56,6 +57,13 @@ public:
/// rotate the extents around orign by rotation /// rotate the extents around orign by rotation
void rotate(const glm::quat& rotation); void rotate(const glm::quat& rotation);
/// scale the extents around orign by scale
void scale(float scale) { minimum *= scale; maximum *= scale; }
void scale(const glm::vec3& scale) { minimum *= scale; maximum *= scale; }
// Transform the extents with transform
void transform(const Transform& transform);
glm::vec3 size() const { return maximum - minimum; } glm::vec3 size() const { return maximum - minimum; }
float largestDimension() const {glm::vec3 s = size(); return glm::max(s[0], s[1], s[2]); } float largestDimension() const {glm::vec3 s = size(); return glm::max(s[0], s[1], s[2]); }