// creates grid unit grid.
public void CreateVertices()
{
DeleteVertexBuffer();
IGrid grid = this.As <IGrid>();
m_subDiv = grid.Subdivisions;
float corner = 0.5f; // grid.Size / 2.0f;
float step = 1.0f / (float)m_subDiv; // grid.Size / (float)subDiv;
int numLines = (m_subDiv + 1) * 2;
int numVerts = numLines * 2;
var vertices = new Vec3F[numVerts];
int index = 0;
float s = -corner;
// Create vertical lines
for (int i = 0; i <= m_subDiv; i++)
{
vertices[index] = new Vec3F(s, 0, corner);
vertices[index + 1] = new Vec3F(s, 0, -corner);
index += 2;
s += step;
}
// Create horizontal lines
s = -corner;
for (int i = 0; i <= m_subDiv; i++)
{
vertices[index] = new Vec3F(corner, 0, s);
vertices[index + 1] = new Vec3F(-corner, 0, s);
index += 2;
s += step;
}
m_gridVBId = GameEngine.CreateVertexBuffer(vertices);
m_gridVertexCount = (uint)vertices.Length;
{
var vs = new VertexPC[6];
vs[0] = new VertexPC(0.0f, 0.0f, 0.0f, 0xff0000ff);
vs[1] = new VertexPC(corner, 0.0f, 0.0f, 0xff0000ff);
vs[2] = new VertexPC(0.0f, 0.0f, 0.0f, 0xff00ff00);
vs[3] = new VertexPC(0.0f, corner, 0.0f, 0xff00ff00);
vs[4] = new VertexPC(0.0f, 0.0f, 0.0f, 0xffff0000);
vs[5] = new VertexPC(0.0f, 0.0f, corner, 0xffff0000);
m_basisAxesVBId = GameEngine.CreateVertexBuffer(vs);
m_basisAxesVertexCount = (uint)vs.Length;
}
}
// creates grid unit grid.
public void CreateVertices()
{
DeleteVertexBuffer();
IGrid grid = this.As<IGrid>();
m_subDiv = grid.Subdivisions;
float corner = 0.5f; // grid.Size / 2.0f;
float step = 1.0f / (float)m_subDiv; // grid.Size / (float)subDiv;
int numLines = (m_subDiv + 1) * 2;
int numVerts = numLines * 2;
var vertices = new Vec3F[numVerts];
int index = 0;
float s = -corner;
// Create vertical lines
for (int i = 0; i <= m_subDiv; i++)
{
vertices[index] = new Vec3F(s, 0, corner);
vertices[index + 1] = new Vec3F(s, 0, -corner);
index += 2;
s += step;
}
// Create horizontal lines
s = -corner;
for (int i = 0; i <= m_subDiv; i++)
{
vertices[index] = new Vec3F(corner, 0, s);
vertices[index + 1] = new Vec3F(-corner, 0, s);
index += 2;
s += step;
}
m_gridVBId = GameEngine.CreateVertexBuffer(vertices);
m_gridVertexCount = (uint)vertices.Length;
{
var vs = new VertexPC[6];
vs[0] = new VertexPC( 0.0f, 0.0f, 0.0f, 0xff0000ff);
vs[1] = new VertexPC(corner, 0.0f, 0.0f, 0xff0000ff);
vs[2] = new VertexPC( 0.0f, 0.0f, 0.0f, 0xff00ff00);
vs[3] = new VertexPC( 0.0f, corner, 0.0f, 0xff00ff00);
vs[4] = new VertexPC( 0.0f, 0.0f, 0.0f, 0xffff0000);
vs[5] = new VertexPC( 0.0f, 0.0f, corner, 0xffff0000);
m_basisAxesVBId = GameEngine.CreateVertexBuffer(vs);
m_basisAxesVertexCount = (uint)vs.Length;
}
}
public static ulong CreateVertexBuffer(VertexPC[] buffer)
{
if (buffer == null || buffer.Length < 2)
return 0;
ulong vbId = 0;
fixed (float* ptr = &buffer[0].Position.X)
{
vbId = NativeCreateVertexBuffer(VertexFormat.VF_PC, ptr, (uint)buffer.Length);
}
return vbId;
}
