void DrawWheel(ref Vector4 value, bool overrideState, TrackballAttribute attr) { var wheelRect = GUILayoutUtility.GetAspectRect(1f); float size = wheelRect.width; float hsize = size / 2f; float radius = 0.38f * size; Vector3 hsv; Color.RGBToHSV(value, out hsv.x, out hsv.y, out hsv.z); float offset = value.w; // Thumb var thumbPos = Vector2.zero; float theta = hsv.x * (Mathf.PI * 2f); thumbPos.x = Mathf.Cos(theta + (Mathf.PI / 2f)); thumbPos.y = Mathf.Sin(theta - (Mathf.PI / 2f)); thumbPos *= hsv.y * radius; // Draw the wheel if (Event.current.type == EventType.Repaint) { // Retina support float scale = EditorGUIUtility.pixelsPerPoint; if (s_Material == null) { s_Material = new Material(Shader.Find("Hidden/PostProcessing/Editor/Trackball")) { hideFlags = HideFlags.HideAndDontSave } } ; // Wheel texture var oldRT = RenderTexture.active; var rt = RenderTexture.GetTemporary((int)(size * scale), (int)(size * scale), 0, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear); s_Material.SetFloat("_Offset", offset); s_Material.SetFloat("_DisabledState", overrideState ? 1f : 0.5f); s_Material.SetVector("_Resolution", new Vector2(size * scale, size * scale / 2f)); Graphics.Blit(null, rt, s_Material, EditorGUIUtility.isProSkin ? 0 : 1); RenderTexture.active = oldRT; GUI.DrawTexture(wheelRect, rt); RenderTexture.ReleaseTemporary(rt); var thumbSize = Styling.wheelThumbSize; var thumbSizeH = thumbSize / 2f; Styling.wheelThumb.Draw(new Rect(wheelRect.x + hsize + thumbPos.x - thumbSizeH.x, wheelRect.y + hsize + thumbPos.y - thumbSizeH.y, thumbSize.x, thumbSize.y), false, false, false, false); } // Input var bounds = wheelRect; bounds.x += hsize - radius; bounds.y += hsize - radius; bounds.width = bounds.height = radius * 2f; hsv = GetInput(bounds, hsv, thumbPos, radius); value = Color.HSVToRGB(hsv.x, hsv.y, 1f); value.w = offset; // Offset var sliderRect = GUILayoutUtility.GetRect(1f, 17f); float padding = sliderRect.width * 0.05f; // 5% padding sliderRect.xMin += padding; sliderRect.xMax -= padding; value.w = GUI.HorizontalSlider(sliderRect, value.w, -1f, 1f); if (attr.mode == TrackballAttribute.Mode.None) { return; } // Values var displayValue = Vector3.zero; switch (attr.mode) { case TrackballAttribute.Mode.Lift: displayValue = ColorUtilities.ColorToLift(value); break; case TrackballAttribute.Mode.Gamma: displayValue = ColorUtilities.ColorToInverseGamma(value); break; case TrackballAttribute.Mode.Gain: displayValue = ColorUtilities.ColorToGain(value); break; } using (new EditorGUI.DisabledGroupScope(true)) { var valuesRect = GUILayoutUtility.GetRect(1f, 17f); valuesRect.width /= 3f; GUI.Label(valuesRect, displayValue.x.ToString("F2"), EditorStyles.centeredGreyMiniLabel); valuesRect.x += valuesRect.width; GUI.Label(valuesRect, displayValue.y.ToString("F2"), EditorStyles.centeredGreyMiniLabel); valuesRect.x += valuesRect.width; GUI.Label(valuesRect, displayValue.z.ToString("F2"), EditorStyles.centeredGreyMiniLabel); valuesRect.x += valuesRect.width; } } void DrawLabelAndOverride(GUIContent title, SerializedProperty overrideState) { // Title var areaRect = GUILayoutUtility.GetRect(1f, 17f); var labelSize = Styling.wheelLabel.CalcSize(title); var labelRect = new Rect(areaRect.x + areaRect.width / 2 - labelSize.x / 2, areaRect.y, labelSize.x, labelSize.y); GUI.Label(labelRect, title, Styling.wheelLabel); // Override checkbox var overrideRect = new Rect(labelRect.x - 17, labelRect.y + 3, 17f, 17f); EditorUtilities.DrawOverrideCheckbox(overrideRect, overrideState); } Vector3 GetInput(Rect bounds, Vector3 hsv, Vector2 thumbPos, float radius) { var e = Event.current; var id = GUIUtility.GetControlID(k_ThumbHash, FocusType.Passive, bounds); var mousePos = e.mousePosition; if (e.type == EventType.MouseDown && GUIUtility.hotControl == 0 && bounds.Contains(mousePos)) { if (e.button == 0) { var center = new Vector2(bounds.x + radius, bounds.y + radius); float dist = Vector2.Distance(center, mousePos); if (dist <= radius) { e.Use(); m_CursorPos = new Vector2(thumbPos.x + radius, thumbPos.y + radius); GUIUtility.hotControl = id; GUI.changed = true; } } else if (e.button == 1) { e.Use(); GUI.changed = true; m_ResetState = true; } } else if (e.type == EventType.MouseDrag && e.button == 0 && GUIUtility.hotControl == id) { e.Use(); GUI.changed = true; m_CursorPos += e.delta * GlobalSettings.trackballSensitivity; GetWheelHueSaturation(m_CursorPos.x, m_CursorPos.y, radius, out hsv.x, out hsv.y); } else if (e.rawType == EventType.MouseUp && e.button == 0 && GUIUtility.hotControl == id) { e.Use(); GUIUtility.hotControl = 0; } return(hsv); } void GetWheelHueSaturation(float x, float y, float radius, out float hue, out float saturation) { float dx = (x - radius) / radius; float dy = (y - radius) / radius; float d = Mathf.Sqrt(dx * dx + dy * dy); hue = Mathf.Atan2(dx, -dy); hue = 1f - ((hue > 0) ? hue : (Mathf.PI * 2f) + hue) / (Mathf.PI * 2f); saturation = Mathf.Clamp01(d); } }
protected void PropertyField(SerializedParameterOverride property, GUIContent title) { // Check for DisplayNameAttribute first var displayNameAttr = property.GetAttribute <DisplayNameAttribute>(); if (displayNameAttr != null) { title.text = displayNameAttr.displayName; } // Add tooltip if it's missing and an attribute is available if (string.IsNullOrEmpty(title.tooltip)) { var tooltipAttr = property.GetAttribute <TooltipAttribute>(); if (tooltipAttr != null) { title.tooltip = tooltipAttr.tooltip; } } // Look for a compatible attribute decorator and break as soon as we find one AttributeDecorator decorator = null; Attribute attribute = null; foreach (var attr in property.attributes) { decorator = EditorUtilities.GetDecorator(attr.GetType()); attribute = attr; if (decorator != null) { break; } } bool invalidProp = false; if (decorator != null && !decorator.IsAutoProperty()) { if (decorator.OnGUI(property.value, property.overrideState, title, attribute)) { return; } // Attribute is invalid for the specified property; use default unity field instead invalidProp = true; } using (new EditorGUILayout.HorizontalScope()) { // Override checkbox var overrideRect = GUILayoutUtility.GetRect(17f, 17f, GUILayout.ExpandWidth(false)); overrideRect.yMin += 4f; EditorUtilities.DrawOverrideCheckbox(overrideRect, property.overrideState); // Property using (new EditorGUI.DisabledScope(!property.overrideState.boolValue)) { if (decorator != null && !invalidProp) { if (decorator.OnGUI(property.value, property.overrideState, title, attribute)) { return; } } // Default unity field EditorGUILayout.PropertyField(property.value, title); } } }