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Added DrawCircle #6

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87 changes: 72 additions & 15 deletions Assets/RuntimeDebugDraw.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -71,15 +71,59 @@ public static void DrawLine(Vector3 start, Vector3 end, Color color, float durat
return;
}

/// <summary>
/// Draws a line from start to start + dir in world coordinates.
/// </summary>
/// <param name="start">Point in world space where the ray should start.</param>
/// <param name="dir">Direction and length of the ray.</param>
/// <param name="color">Color of the drawn line.</param>
/// <param name="duration">How long the line will be visible for (in seconds).</param>
/// <param name="depthTest">Should the line be obscured by other objects closer to the camera?</param>
[Conditional("_DEBUG")]
/// <summary>
/// Draws a top-down circle of a given radius at the world coordinates.
/// </summary>
/// <param name="center">The world coordinates for the center of the circle.</param>
/// <param name="radius">The radius (in units) of the circle.</param>
/// <param name="color">The color of the circle.</param>
/// <param name="angleFov">The angle of the circle.</param>
/// <param name="forwardDir">The forward direction of the circle. Necessary if the angle is less than 360 for showing FOV cone type information.</param>
/// <param name="duration">How long the line will be visible for (in seconds).</param>
/// <param name="depthTest">Should the line be obscured by other objects closer to the camera?</param>
[Conditional("_DEBUG")]
public static void DrawCircle(Vector3 center, float radius, Color color, float duration, bool depthTest, Vector3 forwardDir, float angleFov)
{
CheckAndBuildHiddenRTDrawObject();

const int numSegments = 32;

float fwdDir = Mathf.Atan2(forwardDir.z, forwardDir.x);
float startRad = fwdDir - angleFov / 2 * Mathf.Deg2Rad;
float endRad = fwdDir + angleFov / 2 * Mathf.Deg2Rad;
float thetaRad = (endRad - startRad) / numSegments;

List<Vector3> nodes = new List<Vector3> { center };

int i = 0;
for (float curRadians = startRad; i < numSegments + 1; curRadians += thetaRad)
{
Vector3 coordinate = new Vector3(
Mathf.Cos(curRadians) * radius + center.x,
Mathf.Sin(curRadians) * radius + center.z,
center.y);

nodes.Add(new Vector3(coordinate.x, coordinate.z, coordinate.y));
i++;
}

nodes.Add(center);

for (i = 1; i < nodes.Count; i++)
{
_rtDraw.RegisterLine(nodes[i - 1], nodes[i], color, duration, !depthTest);
}
}

/// <summary>
/// Draws a line from start to start + dir in world coordinates.
/// </summary>
/// <param name="start">Point in world space where the ray should start.</param>
/// <param name="dir">Direction and length of the ray.</param>
/// <param name="color">Color of the drawn line.</param>
/// <param name="duration">How long the line will be visible for (in seconds).</param>
/// <param name="depthTest">Should the line be obscured by other objects closer to the camera?</param>
[Conditional("_DEBUG")]
public static void DrawRay(Vector3 start, Vector3 dir, Color color, float duration, bool depthTest)
{
CheckAndBuildHiddenRTDrawObject();
Expand Down Expand Up @@ -166,12 +210,25 @@ public static void DrawLine(Vector3 start, Vector3 end, Color color, float durat
return;
}

/// <summary>
/// Draws a line from start to start + dir in world coordinates.
/// </summary>
/// <param name="start">Point in world space where the ray should start.</param>
/// <param name="dir">Direction and length of the ray.</param>
[Conditional("_DEBUG")]
/// <summary>
/// Draws a top-down circle of a given radius at the world coordinates.
/// </summary>
/// <param name="center">The world coordinates for the center of the circle.</param>
/// <param name="radius">The radius (in units) of the circle.</param>
/// <param name="color">The color of the circle.</param>
/// <param name="duration">How long the line will be visible for (in seconds).</param>
[Conditional("_DEBUG")]
public static void DrawCircle(Vector3 center, float radius, Color color, float duration)
{
DrawCircle(center, radius, color, duration, false, Vector3.forward, 360);
}

/// <summary>
/// Draws a line from start to start + dir in world coordinates.
/// </summary>
/// <param name="start">Point in world space where the ray should start.</param>
/// <param name="dir">Direction and length of the ray.</param>
[Conditional("_DEBUG")]
public static void DrawRay(Vector3 start, Vector3 dir)
{
DrawRay(start, dir, DrawDefaultColor, 0f, true);
Expand Down