109 lines
4.5 KiB
C#
109 lines
4.5 KiB
C#
namespace Dreamteck.Splines.Editor
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{
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using UnityEngine;
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using System.Collections;
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using UnityEditor;
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public static class SplineEditorHandles
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{
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public static bool SliderButton(Vector3 position, bool drawHandle, Color color, float size)
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{
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Camera cam = SceneView.currentDrawingSceneView.camera;
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Vector3 localPos = cam.transform.InverseTransformPoint(position);
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if (localPos.z < 0f) return false;
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size *= HandleUtility.GetHandleSize(position);
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Vector2 screenPos = HandleUtility.WorldToGUIPoint(position);
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Vector2 screenRectBase = HandleUtility.WorldToGUIPoint(position - cam.transform.right * size + cam.transform.up * size);
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Rect rect = new Rect(screenRectBase.x, screenRectBase.y, (screenPos.x - screenRectBase.x) * 2f, (screenPos.y - screenRectBase.y) * 2f);
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if (drawHandle)
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{
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Color previousColor = Handles.color;
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Handles.color = color;
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Handles.RectangleHandleCap(0, position, Quaternion.LookRotation(-cam.transform.forward), HandleUtility.GetHandleSize(position) * 0.1f, EventType.Repaint);
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Handles.color = previousColor;
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}
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if (rect.Contains(Event.current.mousePosition))
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{
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if (Event.current.type == EventType.MouseDown && Event.current.button == 0)
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{
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return true;
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}
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}
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return false;
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}
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public static bool CircleButton(Vector3 position, Quaternion rotation, float size, float clickableAreaMultiplier, Color color)
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{
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Color prev = Handles.color;
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bool result = false;
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Handles.color = color;
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result = Handles.Button(position, rotation, size, size * clickableAreaMultiplier, Handles.CircleHandleCap);
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Handles.color = prev;
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return result;
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}
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public static Vector3 FreeMoveRectangle(Vector3 position, float size)
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{
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#if UNITY_2022_1_OR_NEWER
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return Handles.FreeMoveHandle(position, size, Vector3.zero, Handles.CircleHandleCap);
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#else
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return Handles.FreeMoveHandle(position, Quaternion.identity, size, Vector3.zero, Handles.CircleHandleCap);
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#endif
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}
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public static Vector3 FreeMoveCircle(Vector3 position, float size)
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{
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#if UNITY_2022_1_OR_NEWER
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return Handles.FreeMoveHandle(position, size, Vector3.zero, Handles.CircleHandleCap);
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#else
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return Handles.FreeMoveHandle(position, Quaternion.identity, size, Vector3.zero, Handles.CircleHandleCap);
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#endif
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}
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public static Vector3 FreeMoveHandle(Vector3 position, float size, Vector3 snap, Handles.CapFunction capFunction)
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{
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#if UNITY_2022_1_OR_NEWER
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return Handles.FreeMoveHandle(position, size, snap, capFunction);
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#else
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return Handles.FreeMoveHandle(position, Quaternion.identity, size, snap, capFunction);
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#endif
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}
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public static void DrawSolidSphere(Vector3 position, float radius)
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{
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Handles.SphereHandleCap(0, position, Quaternion.identity, radius, EventType.Repaint);
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}
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public static void DrawCircle(Vector3 position, Quaternion rotation, float radius)
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{
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Handles.CircleHandleCap(0, position, rotation, radius, EventType.Repaint);
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}
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public static void DrawRectangle(Vector3 position, Quaternion rotation, float size)
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{
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Handles.RectangleHandleCap(0, position, rotation, size, EventType.Repaint);
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}
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public static void DrawArrowCap(Vector3 position, Quaternion rotation, float size)
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{
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Handles.ArrowHandleCap(0, position, rotation, size, EventType.Repaint);
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}
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public static bool HoverArea(Vector3 position, float size)
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{
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Camera cam = SceneView.currentDrawingSceneView.camera;
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Vector3 localPos = cam.transform.InverseTransformPoint(position);
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if (localPos.z < 0f) return false;
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size *= HandleUtility.GetHandleSize(position);
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Vector2 screenPos = HandleUtility.WorldToGUIPoint(position);
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Vector2 screenRectBase = HandleUtility.WorldToGUIPoint(position - cam.transform.right * size + cam.transform.up * size);
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Rect rect = new Rect(screenRectBase.x, screenRectBase.y, (screenPos.x - screenRectBase.x) * 2f, (screenPos.y - screenRectBase.y) * 2f);
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if (rect.Contains(Event.current.mousePosition)) return true;
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else return false;
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}
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}
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}
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