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);
}
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);
}