47 lines
935 B
C++
47 lines
935 B
C++
#ifndef ZOOM_TRIANGLE_H_
|
|
#define ZOOM_TRIANGLE_H_
|
|
|
|
#include "gl.h"
|
|
#include <vmmlib/vector.hpp>
|
|
#include <vmmlib/matrix.hpp>
|
|
|
|
namespace Zoom {
|
|
|
|
class Triangle {
|
|
public:
|
|
Triangle() : c(vmml::vec4f::ONE) {
|
|
v[0] = v[1] = v[2] = vmml::vec3f::ZERO;
|
|
}
|
|
|
|
Triangle(const vmml::vec3f &v1, const vmml::vec3f &v2, const vmml::vec3f &v3, const vmml::vec4f &c0) : c(c0) {
|
|
v[0] = v1;
|
|
v[1] = v2;
|
|
v[2] = v3;
|
|
}
|
|
|
|
const vmml::vec3f& getVertex(int i) const {return v[i];}
|
|
const vmml::vec4f& getColor() const {return c;}
|
|
|
|
vmml::vec3f getNormal() const {
|
|
return v[0].compute_normal(v[1], v[2]);
|
|
}
|
|
|
|
void transform(const vmml::mat4f &m) {
|
|
for(int i = 0; i < 3; ++i) {
|
|
v[i] = m*v[i];
|
|
}
|
|
}
|
|
|
|
vmml::vec3f getCenter() const {
|
|
return (v[0]+v[1]+v[2])/3;
|
|
}
|
|
|
|
private:
|
|
vmml::vec3f v[3];
|
|
vmml::vec4f c;
|
|
};
|
|
|
|
}
|
|
|
|
#endif /*ZOOM_TRIANGLE_H_*/
|
|
|