public void SetArea(Rect area)
{
render_area = area;
Vertices[0] = new Vertex2D(area.X1, area.Y1, 0, 0, 0xFFFFFFFF);
Vertices[1] = new Vertex2D(area.X2, area.Y1, 1, 0, 0xFFFFFFFF);
Vertices[2] = new Vertex2D(area.X2, area.Y2, 1, 1, 0xFFFFFFFF);
Vertices[3] = new Vertex2D(area.X1, area.Y2, 0, 1, 0xFFFFFFFF);
}
internal CanvasSurface(Rect area)
{
render_target = Game.Instance.ContentManager.CreateRenderTarget(area.Width, area.Height);
Projection = Matrix4x4.CreateOrthographicOffCenter(
0,
render_target.Width,
render_target.Height,
0,
0.0f,
1000.0f
);
Vertices = new Vertex2D[4];
SetArea(area);
}
public Quad(Texture2D texture, RectF src_rect = default, RectF dest_rect = default)
{
this.V0 = new Vertex2D();
this.V1 = new Vertex2D();
this.V2 = new Vertex2D();
this.V3 = new Vertex2D();
this.Blend = BlendMode.AlphaBlend;
if (texture == null)
{
return;
}
float ax, ay, bx, by;
float dest_x1, dest_y1, dest_x2, dest_y2;
if (src_rect.IsEmpty)
{
src_rect = RectF.FromBox(0, 0, texture.Width, texture.Height);
ax = 0;
ay = 0;
bx = 1;
by = 1;
}
else
{
float inv_tex_w = 1.0f / texture.Width;
float inv_tex_h = 1.0f / texture.Height;
ax = src_rect.X1 * inv_tex_w;
ay = src_rect.Y1 * inv_tex_h;
bx = src_rect.X2 * inv_tex_w;
by = src_rect.Y2 * inv_tex_h;
}
if (dest_rect.IsEmpty)
{
dest_x1 = 0;
dest_y1 = 0;
dest_x2 = src_rect.Width;
dest_y2 = src_rect.Height;
}
else
{
dest_x1 = dest_rect.X1;
dest_y1 = dest_rect.Y1;
dest_x2 = dest_rect.X2;
dest_y2 = dest_rect.Y2;
}
this.V0.X = dest_x1;
this.V0.Y = dest_y1;
this.V0.Tx = ax;
this.V0.Ty = ay;
this.V0.Col = 0xFFFFFFFF;
this.V1.X = dest_x2;
this.V1.Y = dest_y1;
this.V1.Tx = bx;
this.V1.Ty = ay;
this.V1.Col = 0xFFFFFFFF;
this.V2.X = dest_x2;
this.V2.Y = dest_y2;
this.V2.Tx = bx;
this.V2.Ty = by;
this.V2.Col = 0xFFFFFFFF;
this.V3.X = dest_x1;
this.V3.Y = dest_y2;
this.V3.Tx = ax;
this.V3.Ty = by;
this.V3.Col = 0xFFFFFFFF;
}