| 1 |
e1e94682
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 2 |
|
|
// Copyright 2018 Leszek Koltunski //
|
| 3 |
|
|
// //
|
| 4 |
46b572b5
|
Leszek Koltunski
|
// This file is part of Distorted. //
|
| 5 |
e1e94682
|
Leszek Koltunski
|
// //
|
| 6 |
46b572b5
|
Leszek Koltunski
|
// Distorted is free software: you can redistribute it and/or modify //
|
| 7 |
e1e94682
|
Leszek Koltunski
|
// it under the terms of the GNU General Public License as published by //
|
| 8 |
|
|
// the Free Software Foundation, either version 2 of the License, or //
|
| 9 |
|
|
// (at your option) any later version. //
|
| 10 |
|
|
// //
|
| 11 |
46b572b5
|
Leszek Koltunski
|
// Distorted is distributed in the hope that it will be useful, //
|
| 12 |
e1e94682
|
Leszek Koltunski
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
| 13 |
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
| 14 |
|
|
// GNU General Public License for more details. //
|
| 15 |
|
|
// //
|
| 16 |
|
|
// You should have received a copy of the GNU General Public License //
|
| 17 |
46b572b5
|
Leszek Koltunski
|
// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
|
| 18 |
e1e94682
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 19 |
|
|
|
| 20 |
|
|
package org.distorted.library.mesh;
|
| 21 |
|
|
|
| 22 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 23 |
|
|
/**
|
| 24 |
|
|
* Create a quad, i.e. two triangles with vertices at (+-0.5,+-0.5).
|
| 25 |
|
|
* <p>
|
| 26 |
|
|
* Mainly to have a simple example showing how to create a Mesh; otherwise a MeshQuad can be perfectly
|
| 27 |
12e379d6
|
Leszek Koltunski
|
* emulated by a MeshRectangles(1,1) or a MeshCubes(1,1,0).
|
| 28 |
e1e94682
|
Leszek Koltunski
|
*/
|
| 29 |
|
|
public class MeshQuad extends MeshBase
|
| 30 |
|
|
{
|
| 31 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 32 |
|
|
|
| 33 |
e54bfada
|
Leszek Koltunski
|
private void addVertex( float x, float y, float[] attribs1, float[] attribs2, int index)
|
| 34 |
e1e94682
|
Leszek Koltunski
|
{
|
| 35 |
e54bfada
|
Leszek Koltunski
|
attribs1[VERT1_ATTRIBS*index + POS_ATTRIB ] = x-0.5f;
|
| 36 |
|
|
attribs1[VERT1_ATTRIBS*index + POS_ATTRIB+1] = 0.5f-y;
|
| 37 |
|
|
attribs1[VERT1_ATTRIBS*index + POS_ATTRIB+2] = 0.0f;
|
| 38 |
e1e94682
|
Leszek Koltunski
|
|
| 39 |
e54bfada
|
Leszek Koltunski
|
attribs1[VERT1_ATTRIBS*index + NOR_ATTRIB ] = 0.0f;
|
| 40 |
|
|
attribs1[VERT1_ATTRIBS*index + NOR_ATTRIB+1] = 0.0f;
|
| 41 |
|
|
attribs1[VERT1_ATTRIBS*index + NOR_ATTRIB+2] = 1.0f;
|
| 42 |
e1e94682
|
Leszek Koltunski
|
|
| 43 |
e54bfada
|
Leszek Koltunski
|
attribs1[VERT1_ATTRIBS*index + INF_ATTRIB ] = (x-0.5f);
|
| 44 |
|
|
attribs1[VERT1_ATTRIBS*index + INF_ATTRIB+1] = (0.5f-y);
|
| 45 |
|
|
attribs1[VERT1_ATTRIBS*index + INF_ATTRIB+2] = 0.01f ; // Inflated surface needs to be slightly in front
|
| 46 |
e1e94682
|
Leszek Koltunski
|
|
| 47 |
e54bfada
|
Leszek Koltunski
|
attribs2[VERT2_ATTRIBS*index + TEX_ATTRIB ] = x;
|
| 48 |
|
|
attribs2[VERT2_ATTRIBS*index + TEX_ATTRIB+1] = 1.0f-y;
|
| 49 |
1e672c1d
|
Leszek Koltunski
|
attribs2[VERT2_ATTRIBS*index + ASS_ATTRIB ] = DEFAULT_ASSOCIATION;
|
| 50 |
e1e94682
|
Leszek Koltunski
|
}
|
| 51 |
|
|
|
| 52 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 53 |
|
|
// PUBLIC API
|
| 54 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 55 |
|
|
/**
|
| 56 |
|
|
* Creates the underlying grid of 4 vertices, normals, inflates and texture coords.
|
| 57 |
|
|
*/
|
| 58 |
|
|
public MeshQuad()
|
| 59 |
|
|
{
|
| 60 |
0f10a0b6
|
Leszek Koltunski
|
super();
|
| 61 |
e1e94682
|
Leszek Koltunski
|
|
| 62 |
e54bfada
|
Leszek Koltunski
|
float[] attribs1= new float[VERT1_ATTRIBS*4];
|
| 63 |
|
|
float[] attribs2= new float[VERT2_ATTRIBS*4];
|
| 64 |
e1e94682
|
Leszek Koltunski
|
|
| 65 |
e54bfada
|
Leszek Koltunski
|
addVertex(0.0f,0.0f, attribs1, attribs2, 0);
|
| 66 |
|
|
addVertex(0.0f,1.0f, attribs1, attribs2, 1);
|
| 67 |
|
|
addVertex(1.0f,0.0f, attribs1, attribs2, 2);
|
| 68 |
|
|
addVertex(1.0f,1.0f, attribs1, attribs2, 3);
|
| 69 |
|
|
|
| 70 |
|
|
setAttribs(attribs1,attribs2);
|
| 71 |
e1e94682
|
Leszek Koltunski
|
}
|
| 72 |
cbd502ec
|
Leszek Koltunski
|
|
| 73 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 74 |
|
|
/**
|
| 75 |
4f81e0c8
|
Leszek Koltunski
|
* Copy constructor.
|
| 76 |
cbd502ec
|
Leszek Koltunski
|
*/
|
| 77 |
4f81e0c8
|
Leszek Koltunski
|
public MeshQuad(MeshQuad mesh, boolean deep)
|
| 78 |
cbd502ec
|
Leszek Koltunski
|
{
|
| 79 |
4f81e0c8
|
Leszek Koltunski
|
super(mesh,deep);
|
| 80 |
cbd502ec
|
Leszek Koltunski
|
}
|
| 81 |
|
|
|
| 82 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 83 |
|
|
/**
|
| 84 |
4f81e0c8
|
Leszek Koltunski
|
* Copy the Mesh.
|
| 85 |
|
|
*
|
| 86 |
|
|
* @param deep If to be a deep or shallow copy of mVertAttribs1, i.e. the array holding vertices,
|
| 87 |
|
|
* normals and inflates (the rest, in particular the mVertAttribs2 containing texture
|
| 88 |
|
|
* coordinates and effect assocciations, is always deep copied)
|
| 89 |
cbd502ec
|
Leszek Koltunski
|
*/
|
| 90 |
4f81e0c8
|
Leszek Koltunski
|
public MeshQuad copy(boolean deep)
|
| 91 |
cbd502ec
|
Leszek Koltunski
|
{
|
| 92 |
4f81e0c8
|
Leszek Koltunski
|
return new MeshQuad(this,deep);
|
| 93 |
cbd502ec
|
Leszek Koltunski
|
}
|
| 94 |
e1e94682
|
Leszek Koltunski
|
}
|