surf:drawTriangle

surf:drawTriangle(x1, y1, x2, y2, x3, y3[, b, t, c])

• x1, y1 (int)
  First point
• x2, y2 (int)
  Second point
• x3, y3 (int)
  Third point
• b, t, c (colour)
  Drawing colour

Draws an outline of a triangle.