public override void Build()
{
int idx = 0;
var vertices = new Vertex[4 * _CountX * _CountY]; // 4 for BeginMode.Quads
var tile_size = Texture.Regions[0].Size;
for (int j = 0; j < _CountY; j++)
{
float height_mag = (float)(j + 1) / (float)(_CountY);
for (int i = 0; i < _CountX; i++)
{
double x0 = Texture.Regions[IndexMap[i, j]].Low.X / Texture.Width;
double y0 = Texture.Regions[IndexMap[i, j]].Low.Y / Texture.Height;
double x1 = Texture.Regions[IndexMap[i, j]].High.X / Texture.Width;
double y1 = Texture.Regions[IndexMap[i, j]].High.Y / Texture.Height;
var A = new Vertex(tile_size.X * i, tile_size.Y * j, 1.0, x0, -y0, 1.0f, 1.0f, 1.0f, height_mag);
var B = new Vertex(tile_size.X * (i + 1), A.Position.Y, 1.0, x1, -y0, 1.0f, 1.0f, 1.0f, height_mag);
var C = new Vertex(B.Position.X, tile_size.Y * (j + 1), 1.0, x1, -y1, 1.0f, 1.0f, 1.0f, height_mag);
var D = new Vertex(A.Position.X, C.Position.Y, 1.0, x0, -y1, 1.0f, 1.0f, 1.0f, height_mag);
vertices[idx++] = A;
vertices[idx++] = B;
vertices[idx++] = C;
vertices[idx++] = D;
//new BlueprintQuad(A.Position, B.Position, C.Position, D.Position, _RenderSet);
}
}
VBO = new VertexBuffer(vertices);
}
public virtual void Dispose()
{
if (_VBO != null) {
_VBO.Dispose ();
_VBO = null;
}
_Texture = null;
}
public void Build()
{
double w, h, w_half, h_half, x0, y0, x1, y1, xx, yy, corner_x, corner_y;
if (_Texture.Regions != null && _Texture.Regions.Length > 0)
{
TextureRegion region = _Texture.Regions[_TextureRegionIndex];
x0 = region.Low.X;
y0 = region.Low.Y;
x1 = region.High.X;
y1 = region.High.Y;
w = x1 - x0;
h = y1 - y0;
xx = x0 + x1;
yy = y0 + y1;
x0 = (xx - w * _TileX) * 0.5;
y0 = (yy - h * _TileY) * 0.5;
x1 = (xx + w * _TileX) * 0.5;
y1 = (yy + h * _TileY) * 0.5;
x0 /= _Texture.Width;
x1 /= _Texture.Width;
y0 /= _Texture.Height;
y1 /= _Texture.Height;
corner_x = region.OriginOffsetX;
corner_y = region.OriginOffsetY;
}
else
{
w = _Texture.Width;
h = _Texture.Height;
x0 = 0.0;
y0 = 0.0;
x1 = _TileX;
y1 = _TileY;
corner_x = 0;
corner_y = 0;
}
w_half = w * 0.5;
h_half = h * 0.5;
var A = new VertexLite(corner_x - w_half, corner_y - h_half, 1.0, x0, -y0);
var B = new VertexLite(corner_x + w_half, corner_y - h_half, 1.0, x1, -y0);
var C = new VertexLite(corner_x + w_half, corner_y + h_half, 1.0, x1, -y1);
var D = new VertexLite(corner_x - w_half, corner_y + h_half, 1.0, x0, -y1);
_VBO = new VertexBuffer(A, B, C, D);
//BPVBO = new VertexBuffer(A, B, C, D);
}