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