ladybird/Userland/Applications/3DFileViewer/Mesh.h
Pedro Pereira ed41f48ea4 3DFileViewer: Calculate face-normal from vertex-normals of the triangle
This change calculates the face-normal of the triangle by adding
the three vertex-normals and then normalizing. This results in an
average of the three vertex-normals.
2021-11-13 12:52:22 +01:00

38 lines
972 B
C++

/*
* Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
* Copyright (c) 2021, Mathieu Gaillard <gaillard.mathieu.39@gmail.com>
* Copyright (c) 2021, Pedro Pereira <pmh.pereira@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/RefCounted.h>
#include <AK/Vector.h>
#include "Common.h"
class Mesh : public RefCounted<Mesh> {
public:
Mesh() = delete;
Mesh(Vector<Vertex> vertices, Vector<TexCoord> tex_coords, Vector<Vertex> normals, Vector<Triangle> triangles);
size_t vertex_count() const { return m_vertex_list.size(); }
size_t triangle_count() const { return m_triangle_list.size(); }
void draw(float uv_scale);
bool is_textured() const { return m_tex_coords.size() > 0; }
bool has_normals() const { return m_normal_list.size() > 0; }
private:
Vector<Vertex> m_vertex_list;
Vector<TexCoord> m_tex_coords;
Vector<Vertex> m_normal_list;
Vector<Triangle> m_triangle_list;
};