public static void FilledGradientRect(PrimitivBuffer target, Vector2 center, Vector2 size, Color maxColor, Color minColor, bool horizontal)
{
target.Clear();
target.DrawType = PrimitiveType.Quads;
if (horizontal)
{
target.Colors.Add(minColor);
target.Vertex(center.X - size.X, center.Y + size.Y);
target.Colors.Add(minColor);
target.Vertex(center.X - size.X, center.Y - size.Y);
target.Colors.Add(maxColor);
target.Vertex(center.X + size.X, center.Y - size.Y);
target.Colors.Add(maxColor);
target.Vertex(center.X + size.X, center.Y + size.Y);
}
else
{
target.Colors.Add(minColor);
target.Vertex(center.X - size.X, center.Y - size.Y);
target.Colors.Add(minColor);
target.Vertex(center.X + size.X, center.Y - size.Y);
target.Colors.Add(maxColor);
target.Vertex(center.X + size.X, center.Y + size.Y);
target.Colors.Add(maxColor);
target.Vertex(center.X - size.X, center.Y + size.Y);
}
}
public static void FilledCenteredRect(PrimitivBuffer target, Vector2 center, Vector2 size)
{
target.Clear();
target.DrawType = PrimitiveType.Quads;
target.Vertex(center.X - size.X, center.Y - size.Y);
target.Vertex(center.X + size.X, center.Y - size.Y);
target.Vertex(center.X + size.X, center.Y + size.Y);
target.Vertex(center.X - size.X, center.Y + size.Y);
}
public static void FilledRect(PrimitivBuffer target, float minimumX, float minimumY, float maxiumX, float maxiumY)
{
target.Clear();
target.DrawType = PrimitiveType.Quads;
target.Vertex(minimumX, minimumY);
target.Vertex(maxiumX, minimumY);
target.Vertex(maxiumX, maxiumY);
target.Vertex(minimumX, maxiumY);
}
public static void OutlineRect(PrimitivBuffer target, float minimumX, float minimumY, float maxiumX, float maxiumY, float width)
{
target.Clear();
target.OutlineWidth = width;
target.DrawType = PrimitiveType.LineLoop;
target.Vertex(minimumX, minimumY);
target.Vertex(minimumX, maxiumY);
target.Vertex(maxiumX, maxiumY);
target.Vertex(maxiumX, minimumY);
}
public static void OutlineCenteredRect(PrimitivBuffer target, Vector2 center, Vector2 size, float width)
{
target.Clear();
target.OutlineWidth = width;
target.DrawType = PrimitiveType.LineLoop;
target.Vertex(center.X - size.X, center.Y - size.Y);
target.Vertex(center.X - size.X, center.Y + size.Y);
target.Vertex(center.X + size.X, center.Y + size.Y);
target.Vertex(center.X + size.X, center.Y - size.Y);
}
public static void TexturedRect(PrimitivBuffer target, float minimumX, float minimumY, float maxiumX, float maxiumY, Vector2 uvScale, bool reverseU = false, bool revserseV = false)
{
target.Clear();
target.DrawType = PrimitiveType.Quads;
target.Vertex(minimumX, minimumY);
target.UVs.Add(new Vector2(reverseU ? uvScale.X : 0, revserseV ? 0 : uvScale.Y));
target.Vertex(maxiumX, minimumY);
target.UVs.Add(new Vector2(reverseU ? 0 : uvScale.X, revserseV ? 0 : uvScale.Y));
target.Vertex(maxiumX, maxiumY);
target.UVs.Add(new Vector2(reverseU ? 0 : uvScale.X, revserseV ? uvScale.Y : 0));
target.Vertex(minimumX, maxiumY);
target.UVs.Add(new Vector2(reverseU ? uvScale.X : 0, revserseV ? uvScale.Y : 0));
}
public static void FourSlice(PrimitivBuffer target, RelativeRect rect, Vector2 textureBounds)
{
var origin = rect.GetPixelOrigin();
var size = rect.GetPixelSize();
float texWidth = textureBounds.X;
float texHeight = textureBounds.Y;
if (size.X <= texWidth || size.Y <= texHeight) // it's too small to do pixel based quad sprite, let it do an axis stretch, it's the best we can hope for
{
StrechedBuffer.Stretched(target, rect);
return;
}
float halfWidth = texWidth * 0.5f;
float halfHeight = texHeight * 0.5f;
target.Clear();
target.DrawType = PrimitiveType.Quads;
// lower
Vector2 minV = new Vector2(origin.X, origin.Y);
Vector2 maxV = new Vector2(origin.X + halfWidth, origin.Y + halfHeight);
Vector2 minT = new Vector2(0, 0.5f);
Vector2 maxT = new Vector2(0.5f, 1);
// left side
AddQuad(target, minV, maxV, minT, maxT);
// center
minV = new Vector2(origin.X + halfWidth, origin.Y);
maxV = new Vector2(origin.X + size.Y - halfWidth, origin.Y + halfHeight);
minT = new Vector2(0.5f, 0.5f);
maxT = new Vector2(0.5f, 1);
AddQuad(target, minV, maxV, minT, maxT);
// right
minV = new Vector2(origin.X + size.Y - halfWidth, origin.Y);
maxV = new Vector2(origin.X + size.Y, origin.Y + halfHeight);
minT = new Vector2(0.5f, 0.5f);
maxT = new Vector2(1, 1);
AddQuad(target, minV, maxV, minT, maxT);
// middle
// left
minV = new Vector2(origin.X, origin.Y + halfHeight);
maxV = new Vector2(origin.X + halfWidth, origin.Y + size.Y - halfHeight);
minT = new Vector2(0, 0.5f);
maxT = new Vector2(0.5f, 0.5f);
AddQuad(target, minV, maxV, minT, maxT);
// center
minV = new Vector2(origin.X + halfWidth, origin.Y + halfHeight);
maxV = new Vector2(origin.X + size.Y - halfWidth, origin.Y + size.Y - halfHeight);
minT = new Vector2(0.5f, 0.5f);
maxT = new Vector2(0.5f, 0.5f);
AddQuad(target, minV, maxV, minT, maxT);
// right
minV = new Vector2(origin.X + size.Y - halfWidth, origin.Y + halfHeight);
maxV = new Vector2(origin.X + size.Y, origin.Y + size.Y - halfHeight);
minT = new Vector2(0.5f, 0.5f);
maxT = new Vector2(1, 0.5f);
AddQuad(target, minV, maxV, minT, maxT);
// upper
// left
minV = new Vector2(origin.X, origin.Y + size.Y - halfHeight);
maxV = new Vector2(origin.X + halfWidth, origin.Y + size.Y);
minT = new Vector2(0, 0);
maxT = new Vector2(0.5f, 0.5f);
AddQuad(target, minV, maxV, minT, maxT);
// center
minV = new Vector2(origin.X + halfWidth, origin.Y + size.Y - halfHeight);
maxV = new Vector2(origin.X + size.Y - halfWidth, origin.Y + size.Y);
minT = new Vector2(0.5f, 0);
maxT = new Vector2(0.5f, 0.5f);
AddQuad(target, minV, maxV, minT, maxT);
// right
minV = new Vector2(origin.X + size.Y - halfWidth, origin.Y + size.Y - halfHeight);
maxV = new Vector2(origin.X + size.Y, origin.Y + size.Y);
minT = new Vector2(0.5f, 0);
maxT = new Vector2(1, 0.5f);
AddQuad(target, minV, maxV, minT, maxT);
}
public static void StretchedH(PrimitivBuffer target, RelativeRect rect)
{
var origin = rect.GetPixelOrigin();
var size = rect.GetPixelSize();
if (size.X <= size.Y)
{
ShapeBuffer.TexturedRect(target, rect);
return;
}
float halfHeight = size.Y * 0.5f;
target.Clear();
target.DrawType = PrimitiveType.Quads;
float minimumX = origin.X;
float minimumY = origin.Y;
float maxiumX = origin.X + halfHeight;
float maxiumY = origin.Y + size.Y;
float minU = 0;
float maxU = 0.5f;
float minV = 0;
float maxV = 1;
// left side
target.Vertex(minimumX, minimumY);
target.UVs.Add(new Vector2(minU, maxV));
target.Vertex(maxiumX, minimumY);
target.UVs.Add(new Vector2(maxU, maxV));
target.Vertex(maxiumX, maxiumY);
target.UVs.Add(new Vector2(maxU, minV));
target.Vertex(minimumX, maxiumY);
target.UVs.Add(new Vector2(minU, minV));
// middle
minimumX = origin.X + halfHeight;
minimumY = origin.Y;
maxiumX = origin.X + size.X - halfHeight;
maxiumY = origin.Y + size.Y;
minU = 0.5f;
maxU = 0.5f;
minV = 0;
maxV = 1;
target.Vertex(minimumX, minimumY);
target.UVs.Add(new Vector2(minU, maxV));
target.Vertex(maxiumX, minimumY);
target.UVs.Add(new Vector2(maxU, maxV));
target.Vertex(maxiumX, maxiumY);
target.UVs.Add(new Vector2(maxU, minV));
target.Vertex(minimumX, maxiumY);
target.UVs.Add(new Vector2(minU, minV));
// right
minimumX = origin.X + size.X - halfHeight;
minimumY = origin.Y;
maxiumX = origin.X + size.X;
maxiumY = origin.Y + size.Y;
minU = 0.5f;
maxU = 1f;
minV = 0;
maxV = 1;
target.Vertex(minimumX, minimumY);
target.UVs.Add(new Vector2(minU, maxV));
target.Vertex(maxiumX, minimumY);
target.UVs.Add(new Vector2(maxU, maxV));
target.Vertex(maxiumX, maxiumY);
target.UVs.Add(new Vector2(maxU, minV));
target.Vertex(minimumX, maxiumY);
target.UVs.Add(new Vector2(minU, minV));
}