117 lines
1.7 KiB
C++
117 lines
1.7 KiB
C++
#ifndef QUBE_H
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#define QUBE_H
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#include "../../../math/Matrix4.h"
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#include "Mesh.h"
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namespace Ray3D {
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class Cube : public Mesh {
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public:
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/** ctor */
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Cube() {
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unitCube(true);
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}
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/** ctor with position, size and rotation */
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Cube(const Point3 pos, const Point3 size, const Point3 rot_deg, const bool topAndBottom = true) {
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unitCube(topAndBottom);
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transform(pos, size, rot_deg);
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}
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/** get a transformed version */
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Cube transformed(const Matrix4& mat) const {
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Cube res = *this;
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res.transform(mat);
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return res;
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}
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/** get a transformed version */
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Cube transformed(const Point3 pos, const Point3 size, const Point3 rot_deg) const {
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Cube res = *this;
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res.transform(pos, size, rot_deg);
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return res;
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}
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private:
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/** build unit-cube faces */
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void unitCube(const bool topAndBottom) {
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const float s = 1.0f;
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// left?
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addQuad(
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Point3(+s, -s, -s),
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Point3(+s, -s, +s),
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Point3(-s, -s, +s),
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Point3(-s, -s, -s)
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);
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// right?
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addQuad(
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Point3(-s, +s, -s),
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Point3(-s, +s, +s),
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Point3(+s, +s, +s),
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Point3(+s, +s, -s)
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);
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// small side
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if (1 == 1) {
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// front
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addQuad(
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Point3(-s, -s, -s),
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Point3(-s, -s, +s),
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Point3(-s, +s, +s),
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Point3(-s, +s, -s)
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);
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// read
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addQuad(
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Point3(+s, +s, -s),
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Point3(+s, +s, +s),
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Point3(+s, -s, +s),
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Point3(+s, -s, -s)
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);
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}
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if (topAndBottom) {
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// top
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addQuad(
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Point3(+s, +s, +s),
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Point3(-s, +s, +s),
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Point3(-s, -s, +s),
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Point3(+s, -s, +s)
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);
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// bottom
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addQuad(
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Point3(+s, -s, -s),
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Point3(-s, -s, -s),
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Point3(-s, +s, -s),
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Point3(+s, +s, -s)
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);
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}
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}
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};
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}
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#endif // QUBE_H
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