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e03db22092
transformations of the sources, and selects only those inside the selection bounding box.
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
#ifndef GLMTOOLKIT_H
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#define GLMTOOLKIT_H
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#include <vector>
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#include <glm/glm.hpp>
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namespace GlmToolkit
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{
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glm::mat4 transform(glm::vec3 translation, glm::vec3 rotation, glm::vec3 scale);
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class AxisAlignedBoundingBox
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{
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glm::vec3 mMin;
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glm::vec3 mMax;
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public:
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AxisAlignedBoundingBox();
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void operator = (const AxisAlignedBoundingBox &D ) {
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mMin = D.mMin;
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mMax = D.mMax;
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}
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// test
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inline bool isNull() const { return mMin.x > mMax.x || mMin.y > mMax.y || mMin.z > mMax.z;}
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inline glm::vec3 min() const { return mMin; }
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inline glm::vec3 max() const { return mMax; }
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glm::vec3 center(bool ignore_z = true) const;
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glm::vec3 scale(bool ignore_z = true) const;
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bool intersect(const AxisAlignedBoundingBox& bb, bool ignore_z = true) const;
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bool contains(const AxisAlignedBoundingBox& bb, bool ignore_z = true) const;
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bool contains(glm::vec3 point, bool ignore_z = true) const;
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// build
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void extend(const glm::vec3& point);
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void extend(std::vector<glm::vec3> points);
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void extend(const AxisAlignedBoundingBox& bb);
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AxisAlignedBoundingBox translated(glm::vec3 t) const;
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AxisAlignedBoundingBox scaled(glm::vec3 s) const;
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AxisAlignedBoundingBox transformed(glm::mat4 m) const;
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};
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}
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#endif // GLMTOOLKIT_H
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