using Newtonsoft.Json.Linq;
using UnityEditor;
using UnityEngine;
namespace MCPForUnity.Editor.Tools.Vfx
{
internal static class LineCreate
{
public static object CreateLine(JObject @params)
{
LineRenderer lr = LineRead.FindLineRenderer(@params);
if (lr == null) return new { success = false, message = "LineRenderer not found" };
Vector3 start = ManageVfxCommon.ParseVector3(@params["start"]);
Vector3 end = ManageVfxCommon.ParseVector3(@params["end"]);
Undo.RecordObject(lr, "Create Line");
lr.positionCount = 2;
lr.SetPosition(0, start);
lr.SetPosition(1, end);
EditorUtility.SetDirty(lr);
return new { success = true, message = "Created line" };
}
public static object CreateCircle(JObject @params)
{
LineRenderer lr = LineRead.FindLineRenderer(@params);
if (lr == null) return new { success = false, message = "LineRenderer not found" };
Vector3 center = ManageVfxCommon.ParseVector3(@params["center"]);
float radius = @params["radius"]?.ToObject<float>() ?? 1f;
int segments = @params["segments"]?.ToObject<int>() ?? 32;
Vector3 normal = @params["normal"] != null ? ManageVfxCommon.ParseVector3(@params["normal"]).normalized : Vector3.up;
Vector3 right = Vector3.Cross(normal, Vector3.forward);
if (right.sqrMagnitude < 0.001f) right = Vector3.Cross(normal, Vector3.up);
right = right.normalized;
Vector3 forward = Vector3.Cross(right, normal).normalized;
Undo.RecordObject(lr, "Create Circle");
lr.positionCount = segments;
lr.loop = true;
for (int i = 0; i < segments; i++)
{
float angle = (float)i / segments * Mathf.PI * 2f;
Vector3 point = center + (right * Mathf.Cos(angle) + forward * Mathf.Sin(angle)) * radius;
lr.SetPosition(i, point);
}
EditorUtility.SetDirty(lr);
return new { success = true, message = $"Created circle with {segments} segments" };
}
public static object CreateArc(JObject @params)
{
LineRenderer lr = LineRead.FindLineRenderer(@params);
if (lr == null) return new { success = false, message = "LineRenderer not found" };
Vector3 center = ManageVfxCommon.ParseVector3(@params["center"]);
float radius = @params["radius"]?.ToObject<float>() ?? 1f;
float startAngle = (@params["startAngle"]?.ToObject<float>() ?? 0f) * Mathf.Deg2Rad;
float endAngle = (@params["endAngle"]?.ToObject<float>() ?? 180f) * Mathf.Deg2Rad;
int segments = @params["segments"]?.ToObject<int>() ?? 16;
Vector3 normal = @params["normal"] != null ? ManageVfxCommon.ParseVector3(@params["normal"]).normalized : Vector3.up;
Vector3 right = Vector3.Cross(normal, Vector3.forward);
if (right.sqrMagnitude < 0.001f) right = Vector3.Cross(normal, Vector3.up);
right = right.normalized;
Vector3 forward = Vector3.Cross(right, normal).normalized;
Undo.RecordObject(lr, "Create Arc");
lr.positionCount = segments + 1;
lr.loop = false;
for (int i = 0; i <= segments; i++)
{
float t = (float)i / segments;
float angle = Mathf.Lerp(startAngle, endAngle, t);
Vector3 point = center + (right * Mathf.Cos(angle) + forward * Mathf.Sin(angle)) * radius;
lr.SetPosition(i, point);
}
EditorUtility.SetDirty(lr);
return new { success = true, message = $"Created arc with {segments} segments" };
}
public static object CreateBezier(JObject @params)
{
LineRenderer lr = LineRead.FindLineRenderer(@params);
if (lr == null) return new { success = false, message = "LineRenderer not found" };
Vector3 start = ManageVfxCommon.ParseVector3(@params["start"]);
Vector3 end = ManageVfxCommon.ParseVector3(@params["end"]);
Vector3 cp1 = ManageVfxCommon.ParseVector3(@params["controlPoint1"] ?? @params["control1"]);
Vector3 cp2 = @params["controlPoint2"] != null || @params["control2"] != null
? ManageVfxCommon.ParseVector3(@params["controlPoint2"] ?? @params["control2"])
: cp1;
int segments = @params["segments"]?.ToObject<int>() ?? 32;
bool isQuadratic = @params["controlPoint2"] == null && @params["control2"] == null;
Undo.RecordObject(lr, "Create Bezier");
lr.positionCount = segments + 1;
lr.loop = false;
for (int i = 0; i <= segments; i++)
{
float t = (float)i / segments;
Vector3 point;
if (isQuadratic)
{
float u = 1 - t;
point = u * u * start + 2 * u * t * cp1 + t * t * end;
}
else
{
float u = 1 - t;
point = u * u * u * start + 3 * u * u * t * cp1 + 3 * u * t * t * cp2 + t * t * t * end;
}
lr.SetPosition(i, point);
}
EditorUtility.SetDirty(lr);
return new { success = true, message = $"Created {(isQuadratic ? "quadratic" : "cubic")} Bezier" };
}
}
}
