public LinuxFlag(int m, int n, float flagWidth, float spring_constant, float damping, float flagAltitude, float poleRadius)
{
//this.flagTexture = ResourceManager.GetTextureResource("tux.png");
this.m = m;
this.n = n;
int N = m*n;
#region generate_vertices
int n1 = n-0x01;
int m1 = m-0x01;
float t0x = 1.0f/n1;
float t0y = 1.0f/m1;
float d0 = flagWidth*t0x;
this.d0 = d0;
this.d1 = (float) (Math.Sqrt(2.0f)*d0);
this.flagHeight = flagWidth*m/n;
this.poleHeight = flagHeight+flagAltitude;
this.poleRadius = poleRadius;
int arrayPos = 0x00;
VertexT2fN3fV3f[] vertices = new VertexT2fN3fV3f[N];
this.verticesHandle = GCHandle.Alloc(vertices,GCHandleType.Pinned);
Vector3 nrm = new Vector3(0.0f,0.0f,-1.0f);
float py, ty;
for(int y = 0x00; y < m; y++) {
py = flagHeight-d0*y+flagAltitude;
ty = t0y*y;
for(int x = 0x00; x < n; x++) {
vertices[arrayPos].Texture = new Vector2(x*t0x,ty);
vertices[arrayPos].Normal = nrm;
vertices[arrayPos++].Position = new Vector3(d0*x,py,0.0f);
}
}
int vertexBuffer;
GL.GenBuffers(0x01,out vertexBuffer);
this.vx_buffer = vertexBuffer;
this.vx_Size = vertices.Length*0x08*sizeof(float);
this.velocity = new Vector3[N];
this.vertices = vertices;
this.loadVertices();
#endregion
#region generate_indices
this.elN = 6*m1*n1;
int N2 = this.elN;
int[] indices = new int[N2];
arrayPos = 0x00;
int l1 = 0;
int l2 = n;
int l3;
for(; l2 < N;) {
l3 = l1+n1;
for(; l1 < l3;) {
indices[arrayPos++] = l2++;
indices[arrayPos++] = l1;
indices[arrayPos++] = l2;//l2+0x01
indices[arrayPos++] = l1++;
indices[arrayPos++] = l1;//l1+0x01
indices[arrayPos++] = l2;//l2+0x01
}
l1++;
l2++;
}
int indexBuffer;
GL.GenBuffers(0x01, out indexBuffer);
GL.BindBuffer(BufferTarget.ElementArrayBuffer,indexBuffer);
GL.BufferData(BufferTarget.ElementArrayBuffer,new IntPtr(indices.Length*sizeof(int)),indices,BufferUsageHint.StaticDraw);
this.el_buffer = indexBuffer;
#endregion
#region set_variables
this.spring_constant = spring_constant;
this.damping = damping;
#endregion
}
public LinuxFlag(int m, int n, float flagWidth, float spring_constant, float damping, float flagAltitude, float poleRadius)
{
//this.flagTexture = ResourceManager.GetTextureResource("tux.png");
this.m = m;
this.n = n;
int N = m * n;
#region generate_vertices
int n1 = n - 0x01;
int m1 = m - 0x01;
float t0x = 1.0f / n1;
float t0y = 1.0f / m1;
float d0 = flagWidth * t0x;
this.d0 = d0;
this.d1 = (float)(Math.Sqrt(2.0f) * d0);
this.flagHeight = flagWidth * m / n;
this.poleHeight = flagHeight + flagAltitude;
this.poleRadius = poleRadius;
int arrayPos = 0x00;
VertexT2fN3fV3f[] vertices = new VertexT2fN3fV3f[N];
this.verticesHandle = GCHandle.Alloc(vertices, GCHandleType.Pinned);
Vector3 nrm = new Vector3(0.0f, 0.0f, -1.0f);
float py, ty;
for (int y = 0x00; y < m; y++)
{
py = flagHeight - d0 * y + flagAltitude;
ty = t0y * y;
for (int x = 0x00; x < n; x++)
{
vertices[arrayPos].Texture = new Vector2(x * t0x, ty);
vertices[arrayPos].Normal = nrm;
vertices[arrayPos++].Position = new Vector3(d0 * x, py, 0.0f);
}
}
int vertexBuffer;
GL.GenBuffers(0x01, out vertexBuffer);
this.vx_buffer = vertexBuffer;
this.vx_Size = vertices.Length * 0x08 * sizeof(float);
this.velocity = new Vector3[N];
this.vertices = vertices;
this.loadVertices();
#endregion
#region generate_indices
this.elN = 6 * m1 * n1;
int N2 = this.elN;
int[] indices = new int[N2];
arrayPos = 0x00;
int l1 = 0;
int l2 = n;
int l3;
for (; l2 < N;)
{
l3 = l1 + n1;
for (; l1 < l3;)
{
indices[arrayPos++] = l2++;
indices[arrayPos++] = l1;
indices[arrayPos++] = l2; //l2+0x01
indices[arrayPos++] = l1++;
indices[arrayPos++] = l1; //l1+0x01
indices[arrayPos++] = l2; //l2+0x01
}
l1++;
l2++;
}
int indexBuffer;
GL.GenBuffers(0x01, out indexBuffer);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, indexBuffer);
GL.BufferData(BufferTarget.ElementArrayBuffer, new IntPtr(indices.Length * sizeof(int)), indices, BufferUsageHint.StaticDraw);
this.el_buffer = indexBuffer;
#endregion
#region set_variables
this.spring_constant = spring_constant;
this.damping = damping;
#endregion
}
