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/***************************************************************************
* Copyright (c) 2024 Shai Seger <shaise at gmail> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef __sim_shapes_h__
#define __sim_shapes_h__
#include "OpenGlWrapper.h"
#include "linmath.h"
#define SET_DUAL(var, idx, y, z) \
{ \
var[idx++] = y; \
var[idx++] = z; \
}
#define SET_TRIPLE(var, idx, x, y, z) \
{ \
var[idx++] = x; \
var[idx++] = y; \
var[idx++] = z; \
}
#define SET_TRIPLE_OFFS(var, idx, offs, x, y, z) \
{ \
var[idx++] = x + offs; \
var[idx++] = y + offs; \
var[idx++] = z + offs; \
}
namespace MillSim
{
typedef unsigned int uint;
struct Vertex
{
Vertex()
: Vertex(0, 0, 0)
{}
Vertex(float _x, float _y, float _z, float _nx = 0, float _ny = 0, float _nz = 0)
{
x = _x;
y = _y;
z = _z;
nx = _nx;
ny = _ny;
nz = _nz;
}
float x, y, z;
float nx, ny, nz;
};
class Shape
{
public:
Shape()
{}
~Shape();
public:
uint vao = 0;
uint vbo = 0;
uint ibo = 0;
int numIndices = 0;
public:
void Render();
void Render(mat4x4 modelMat, mat4x4 normallMat);
void FreeResources();
void SetModelData(std::vector<Vertex>& vbuffer, std::vector<GLushort>& ibuffer);
void RotateProfile(
float* profPoints,
int nPoints,
float distance,
float deltaHeight,
int nSlices,
bool isHalfTurn
);
void ExtrudeProfileRadial(
float* profPoints,
int nPoints,
float radius,
float angleRad,
float deltaHeight,
bool capStart,
bool capEnd
);
void ExtrudeProfileLinear(
float* profPoints,
int nPoints,
float fromX,
float toX,
float fromZ,
float toZ,
bool capStart,
bool capEnd
);
static void GenerateSinTable(int nSlices);
static std::vector<float> sinTable;
static std::vector<float> cosTable;
static int lastNumSlices;
protected:
void GenerateModel(float* vbuffer, GLushort* ibuffer, int numVerts, int numIndices);
void CalculateExtrudeBufferSizes(
int nProfilePoints,
bool capStart,
bool capEnd,
int* numVerts,
int* numIndices,
int* vc1idx,
int* vc2idx,
int* ic1idx,
int* ic2idx
);
};
} // namespace MillSim
#endif
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