diff --git a/spine-lua/IkConstraint.lua b/spine-lua/IkConstraint.lua index 72840124e..76d9d168e 100644 --- a/spine-lua/IkConstraint.lua +++ b/spine-lua/IkConstraint.lua @@ -208,28 +208,14 @@ function IkConstraint:apply2 (parent, child, targetX, targetY, bendDir, alpha) end end if not skip then - local minAngle = 0 - local minDist = 9999999999 - local minX = 0 - local minY = 0 + local minAngle = math_pi + local minX = l1 - a + local minDist = minX * minX + local minY = 0; local maxAngle = 0 - local maxDist = 0 - local maxX = 0 - local maxY = 0 - x = l1 + a - d = x * x - if d > maxDist then - maxAngle = 0 - maxDist = d - maxX = x - end - x = l1 - a - d = x * x - if d < minDist then - minAngle = math_pi - minDist = d - minX = x - end + local maxX = l1 + a + local maxDist = maxX * maxX + local maxY = 0 local angle = math_acos(-a * l1 / (aa - bb)) x = a * math_cos(angle) + l1 y = b * math_sin(angle)