public static void DrawBox2D(Vector2 origin, Vector2 size, float angle, Color color, float duration = 0)
{
DrawBoxStructure2D boxStructure2D = new DrawBoxStructure2D(size, angle, origin);
DrawBox2DFast(Vector2.zero, boxStructure2D, DrawLine);
void DrawLine(Vector3 a, Vector3 b) => lineDelegate(a, b, color, duration);
}
public static void DrawBoxCast2D(
Vector2 origin,
Vector2 size,
float angle,
Vector2 direction,
float distance,
Color colorStart,
Color colorEnd)
{
direction.EnsureNormalized();
DrawBoxStructure2D boxStructure2D = new DrawBoxStructure2D(size, angle, origin);
Color color = colorStart;
DrawBox2DFast(Vector2.zero, boxStructure2D, DrawLine);
Vector2 scaledDirection = direction * distance;
float dotUR = Vector2.Dot(direction, boxStructure2D.UROrigin);
float dotBL = Vector2.Dot(direction, boxStructure2D.ULOrigin);
Vector2 p1;
Vector2 p2;
if (Mathf.Abs(dotUR) < Mathf.Abs(dotBL))
{
p1 = boxStructure2D.UR;
p2 = boxStructure2D.BL;
}
else
{
p1 = boxStructure2D.UL;
p2 = boxStructure2D.BR;
}
Vector2 originA = p1;
Vector2 originB = p2;
Vector2 currentA = originA;
Vector2 currentB = originB;
for (int i = 1; i <= 10; i++)
{
float t = i / (float)10;
color = Color.Lerp(colorStart, colorEnd, t);
Vector2 nextA = originA + scaledDirection * t;
Vector2 nextB = originB + scaledDirection * t;
DrawLine(currentA, nextA);
DrawLine(currentB, nextB);
currentA = nextA;
currentB = nextB;
}
color = colorEnd;
DrawBox2DFast(scaledDirection, boxStructure2D, DrawLine);
void DrawLine(Vector3 a, Vector3 b) => lineDelegate(a, b, color);
}
internal static void DrawBox2DFast(
Vector2 offset,
DrawBoxStructure2D boxStructure2D,
LineDelegateSimple lineDelegate)
{
Vector2 uRPosition = offset + boxStructure2D.UR;
Vector2 uLPosition = offset + boxStructure2D.UL;
Vector2 bRPosition = offset + boxStructure2D.BR;
Vector2 bLPosition = offset + boxStructure2D.BL;
lineDelegate(uLPosition, uRPosition);
lineDelegate(uRPosition, bRPosition);
lineDelegate(bRPosition, bLPosition);
lineDelegate(bLPosition, uLPosition);
}
public static void DrawBoxCast2DHits(RaycastHit2D[] hits, Vector2 origin, Vector2 size, float angle, Vector2 direction, Color color, int maxCount = -1)
{
if (maxCount < 0)
{
maxCount = hits.Length;
}
if (maxCount == 0)
{
return;
}
direction.EnsureNormalized();
DrawBoxStructure2D boxStructure2D = new DrawBoxStructure2D(size, angle, origin);
for (int i = 0; i < maxCount; i++)
{
DrawBox2DFast(direction * hits[i].distance, boxStructure2D, DrawLine);
}
void DrawLine(Vector3 a, Vector3 b) => lineDelegate(a, b, color);
}
