Category: 2D Overlay

Syntax:

b2dDrawQuadDepth:Void(x1:Int, y1:Int, z1:Double, x2:Int, y2:Int, z2:Double, x3:Int, y3:Int, z3:Double, x4:Int, y4:Int, z4:Double, fill:Int)

• x1 : Int
• y1 : Int
• z1 : Double
• x2 : Int
• y2 : Int
• z2 : Double
• x3 : Int
• y3 : Int
• z3 : Double
• x4 : Int
• y4 : Int
• z4 : Double
• fill : Int

Void

Draws a quad where each corner has its own depth (0..1), interpolated per-pixel.

View detailed documentation online

; each projected corner gets its own perspective-correct depth
Local d1:Double = (FAR * (vz1 - NEAR)) / (vz1 * (FAR - NEAR))
Local d2:Double = (FAR * (vz2 - NEAR)) / (vz2 * (FAR - NEAR))
Local d3:Double = (FAR * (vz3 - NEAR)) / (vz3 * (FAR - NEAR))
Local d4:Double = (FAR * (vz4 - NEAR)) / (vz4 * (FAR - NEAR))
b2dSetColor(200, 180, 60)
b2dDrawQuadDepth(sx1,sy1,d1, sx2,sy2,d2, sx3,sy3,d3, sx4,sy4,d4, 1)

BambooBasic © 2026 Michael Denathorn