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Fixed memory corruption issue with (Cube's vertices were being moved by the GC). I think.

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This commit is contained in:
the_fiddler 2007-09-30 12:34:20 +00:00
parent d526f5a3a4
commit 6341ced26c
2 changed files with 68 additions and 82 deletions
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100
Source/Examples/Shapes/Cube.cs
View file

@ -10,61 +10,65 @@ using System.Text;
using System.Drawing;
using OpenTK.Math;
using System.Runtime.InteropServices;
namespace Examples.Shapes
{
public static class Cube
public class Cube : Shape
{
public static readonly Vector3[] Vertices = new Vector3[8]
public Cube()
{
new Vector3(-1.0f, -1.0f, 1.0f),
new Vector3( 1.0f, -1.0f, 1.0f),
new Vector3( 1.0f, 1.0f, 1.0f),
new Vector3(-1.0f, 1.0f, 1.0f),
new Vector3(-1.0f, -1.0f, -1.0f),
new Vector3( 1.0f, -1.0f, -1.0f),
new Vector3( 1.0f, 1.0f, -1.0f),
new Vector3(-1.0f, 1.0f, -1.0f),
};
Vertices = new Vector3[]
{
new Vector3(-1.0f, -1.0f, 1.0f),
new Vector3( 1.0f, -1.0f, 1.0f),
new Vector3( 1.0f, 1.0f, 1.0f),
new Vector3(-1.0f, 1.0f, 1.0f),
new Vector3(-1.0f, -1.0f, -1.0f),
new Vector3( 1.0f, -1.0f, -1.0f),
new Vector3( 1.0f, 1.0f, -1.0f),
new Vector3(-1.0f, 1.0f, -1.0f)
};
public static readonly ushort[] Indices =
{
// front face
0, 1, 2, 2, 3, 0,
// top face
3, 2, 6, 6, 7, 3,
// back face
7, 6, 5, 5, 4, 7,
// left face
4, 0, 3, 3, 7, 4,
// bottom face
0, 1, 5, 5, 4, 0,
// right face
1, 5, 6, 6, 2, 1,
};
Indices = new int[]
{
// front face
0, 1, 2, 2, 3, 0,
// top face
3, 2, 6, 6, 7, 3,
// back face
7, 6, 5, 5, 4, 7,
// left face
4, 0, 3, 3, 7, 4,
// bottom face
0, 1, 5, 5, 4, 0,
// right face
1, 5, 6, 6, 2, 1,
};
public static readonly Vector3[] Normals =
{
new Vector3(-1.0f, -1.0f, 1.0f),
new Vector3( 1.0f, -1.0f, 1.0f),
new Vector3( 1.0f, 1.0f, 1.0f),
new Vector3(-1.0f, 1.0f, 1.0f),
new Vector3(-1.0f, -1.0f, -1.0f),
new Vector3( 1.0f, -1.0f, -1.0f),
new Vector3( 1.0f, 1.0f, -1.0f),
new Vector3(-1.0f, 1.0f, -1.0f),
};
Normals = new Vector3[]
{
new Vector3(-1.0f, -1.0f, 1.0f),
new Vector3( 1.0f, -1.0f, 1.0f),
new Vector3( 1.0f, 1.0f, 1.0f),
new Vector3(-1.0f, 1.0f, 1.0f),
new Vector3(-1.0f, -1.0f, -1.0f),
new Vector3( 1.0f, -1.0f, -1.0f),
new Vector3( 1.0f, 1.0f, -1.0f),
new Vector3(-1.0f, 1.0f, -1.0f),
};
public static readonly int[] Colors =
{
Color.Firebrick.ToArgb(),
Color.Honeydew.ToArgb(),
Color.Moccasin.ToArgb(),
Color.Yellow.ToArgb(),
Color.Crimson.ToArgb(),
Color.DarkGoldenrod.ToArgb(),
Color.ForestGreen.ToArgb(),
Color.Sienna.ToArgb(),
};
Colors = new int[]
{
Color.Firebrick.ToArgb(),
Color.Honeydew.ToArgb(),
Color.Moccasin.ToArgb(),
Color.Yellow.ToArgb(),
Color.Crimson.ToArgb(),
Color.DarkGoldenrod.ToArgb(),
Color.ForestGreen.ToArgb(),
Color.Sienna.ToArgb(),
};
}
}
}

50
Source/Examples/Shapes/Shape.cs
View file

@ -9,6 +9,8 @@ using System.Collections.Generic;
using System.Text;
using OpenTK.Math;
using System.Runtime.InteropServices;
using System.Drawing;
namespace Examples.Shapes
{
@ -17,22 +19,14 @@ namespace Examples.Shapes
private Vector3[] vertices, normals;
private Vector2[] texcoords;
private int[] indices;
unsafe int* index_ptr;
unsafe float* vertex_ptr, normal_ptr, texcoord_ptr;
private int[] colors;
public Vector3[] Vertices
{
get { return vertices; }
protected set
{
unsafe
{
vertices = value;
//fixed (float* ptr = (float*)vertices[0])
{
vertex_ptr = (float*)vertices[0];
}
}
vertices = value;
}
}
@ -41,14 +35,7 @@ namespace Examples.Shapes
get { return normals; }
protected set
{
unsafe
{
normals = value;
//fixed (float* ptr = (float*)normals[0])
{
normal_ptr = (float*)normals[0];
}
}
normals = value;
}
}
@ -57,14 +44,7 @@ namespace Examples.Shapes
get { return texcoords; }
protected set
{
unsafe
{
texcoords = value;
//fixed (float* ptr = (float*)texcoords[0])
{
texcoord_ptr = (float*)texcoords[0];
}
}
texcoords = value;
}
}
@ -73,14 +53,16 @@ namespace Examples.Shapes
get { return indices; }
protected set
{
unsafe
{
indices = value;
fixed (int* ptr = indices)
{
index_ptr = ptr;
}
}
indices = value;
}
}
public int[] Colors
{
get { return colors; }
protected set
{
colors = value;
}
}
}