public void CreateRiver(string gameObjectName, Vector3 position)
        {
#if RAM_2019
            RiverSettings riverSettings = editor.extension.riverSettings;

            GameObject parentGameObject = editor.extension.transform.gameObject;

            // create new gameobject
            RamSpline spline = RamSpline.CreateSpline(AssetDatabase.GetBuiltinExtraResource <Material>("Default-Diffuse.mat"));

            // ensure gameobject gets reparented if this was a context click (otherwise does nothing)
            GameObjectUtility.SetParentAndAlign(spline.gameObject, parentGameObject);

            // set position
            spline.transform.position = Vector3.zero; // keeping it unique for the gameobject; using the point position we'd have to adjust the river points

            // apply river settings
            spline.width          = 100;
            spline.currentProfile = riverSettings.splineProfile;
            spline.width          = Random.Range(riverSettings.widthMin, riverSettings.widthMax);

            // apply simulation settings
            spline.AddPoint(position);

            spline.simulatedRiverLength = Random.Range(riverSettings.simulatedRiverLengthMin, riverSettings.simulatedRiverLengthMax);
            spline.simulatedRiverPoints = Random.Range(riverSettings.simulatedRiverPointsMin, riverSettings.simulatedRiverPointsMax);
            spline.simulatedMinStepSize = Random.Range(riverSettings.simulatedMinStepSizeMin, riverSettings.simulatedMinStepSizeMax);

            spline.simulatedNoUp      = riverSettings.simulatedNoUp;
            spline.simulatedBreakOnUp = riverSettings.simulatedBreakOnUp;
            spline.noiseWidth         = riverSettings.noiseWidth;

            spline.simulatedMinStepSize = Random.Range(riverSettings.simulatedMinStepSizeMin, riverSettings.simulatedMinStepSizeMax);
            spline.simulatedMinStepSize = Random.Range(riverSettings.simulatedMinStepSizeMin, riverSettings.simulatedMinStepSizeMax);

            spline.noiseMultiplierWidth = Random.Range(riverSettings.noiseMultiplierWidthMin, riverSettings.noiseMultiplierWidthMax);
            spline.noiseSizeWidth       = Random.Range(riverSettings.noiseSizeWidthMin, riverSettings.noiseSizeWidthMax);

            // simulate
            bool generate = riverSettings.automation == RiverSettings.Automation.Generate;
            spline.SimulateRiver(generate);

            // register the creation in the undo system
            Undo.RegisterCreatedObjectUndo(spline.gameObject, "Create " + spline.gameObject.name);
#endif
        }
Exemplo n.º 2
0
    public static RamSpline CreateSpline(Material splineMaterial = null, List <Vector4> positions = null)
    {
        GameObject   gameObject   = new GameObject("RamSpline");
        RamSpline    ramSpline    = gameObject.AddComponent <RamSpline>();
        MeshRenderer meshRenderer = gameObject.AddComponent <MeshRenderer>();

        meshRenderer.receiveShadows    = false;
        meshRenderer.shadowCastingMode = ShadowCastingMode.Off;
        if (splineMaterial != null)
        {
            meshRenderer.sharedMaterial = splineMaterial;
        }
        if (positions != null)
        {
            for (int i = 0; i < positions.Count; i++)
            {
                ramSpline.AddPoint(positions[i]);
            }
        }
        return(ramSpline);
    }
Exemplo n.º 3
0
    public static RamSpline CreateSpline(Material splineMaterial = null, List <Vector4> positions = null)
    {
        GameObject   gameObject   = new GameObject(nameof(RamSpline));
        RamSpline    ramSpline    = (RamSpline)gameObject.AddComponent <RamSpline>();
        MeshRenderer meshRenderer = (MeshRenderer)gameObject.AddComponent <MeshRenderer>();

        ((Renderer)meshRenderer).set_receiveShadows(false);
        ((Renderer)meshRenderer).set_shadowCastingMode((ShadowCastingMode)0);
        if (Object.op_Inequality((Object)splineMaterial, (Object)null))
        {
            ((Renderer)meshRenderer).set_sharedMaterial(splineMaterial);
        }
        if (positions != null)
        {
            for (int index = 0; index < positions.Count; ++index)
            {
                ramSpline.AddPoint(positions[index]);
            }
        }
        return(ramSpline);
    }
Exemplo n.º 4
0
    private void GenerateMesh(ref Mesh mesh)
    {
        foreach (Transform transform in this.meshesPartTransforms)
        {
            if (transform != null)
            {
                UnityEngine.Object.DestroyImmediate(transform.gameObject);
            }
        }
        int        num   = this.points.Count - 1;
        int        count = this.points.Count;
        int        num2  = this.vertsInShape * count;
        List <int> list  = new List <int>();

        Vector3[] array  = new Vector3[num2];
        Vector3[] array2 = new Vector3[num2];
        Vector2[] array3 = new Vector2[num2];
        Vector2[] array4 = new Vector2[num2];
        Vector2[] array5 = new Vector2[num2];
        if (this.colors == null || this.colors.Length != num2)
        {
            this.colors = new Color[num2];
            for (int i = 0; i < this.colors.Length; i++)
            {
                this.colors[i] = Color.black;
            }
        }
        if (this.colorsFlowMap.Count != num2)
        {
            this.colorsFlowMap.Clear();
        }
        this.length     = 0f;
        this.fulllength = 0f;
        if (this.beginningSpline != null)
        {
            this.length = this.beginningSpline.length;
        }
        this.minMaxWidth = 1f;
        this.uvWidth     = 1f;
        this.uvBeginning = 0f;
        if (this.beginningSpline != null)
        {
            this.minMaxWidth = this.beginningMaxWidth - this.beginningMinWidth;
            this.uvWidth     = this.minMaxWidth * this.beginningSpline.uvWidth;
            this.uvBeginning = this.beginningSpline.uvWidth * this.beginningMinWidth + this.beginningSpline.uvBeginning;
        }
        else if (this.endingSpline != null)
        {
            this.minMaxWidth = this.endingMaxWidth - this.endingMinWidth;
            this.uvWidth     = this.minMaxWidth * this.endingSpline.uvWidth;
            this.uvBeginning = this.endingSpline.uvWidth * this.endingMinWidth + this.endingSpline.uvBeginning;
        }
        for (int j = 0; j < this.pointsDown.Count; j++)
        {
            float num3 = this.widths[j];
            if (j > 0)
            {
                this.fulllength += this.uvWidth * Vector3.Distance(this.pointsDown[j], this.pointsDown[j - 1]) / (this.uvScale * num3);
            }
        }
        float num4 = Mathf.Round(this.fulllength);

        for (int k = 0; k < this.pointsDown.Count; k++)
        {
            float num5 = this.widths[k];
            int   num6 = k * this.vertsInShape;
            if (k > 0)
            {
                this.length += this.uvWidth * Vector3.Distance(this.pointsDown[k], this.pointsDown[k - 1]) / (this.uvScale * num5) / this.fulllength * num4;
            }
            float num7 = 0f;
            float num8 = 0f;
            for (int l = 0; l < this.vertsInShape; l++)
            {
                int   num9  = num6 + l;
                float num10 = (float)l / (float)(this.vertsInShape - 1);
                if (num10 < 0.5f)
                {
                    num10 *= this.minVal * 2f;
                }
                else
                {
                    num10 = ((num10 - 0.5f) * (1f - this.maxVal) + 0.5f * this.maxVal) * 2f;
                }
                if (k == 0 && this.beginningSpline != null && this.beginningSpline.verticesEnding != null && this.beginningSpline.normalsEnding != null)
                {
                    int num11 = (int)((float)this.beginningSpline.vertsInShape * this.beginningMinWidth);
                    array[num9] = this.beginningSpline.verticesEnding[Mathf.Clamp(l + num11, 0, this.beginningSpline.verticesEnding.Count - 1)] + this.beginningSpline.transform.position - base.transform.position;
                }
                else if (k == this.pointsDown.Count - 1 && this.endingSpline != null && this.endingSpline.verticesBeginning != null && this.endingSpline.normalsBeginning != null)
                {
                    int num12 = (int)((float)this.endingSpline.vertsInShape * this.endingMinWidth);
                    array[num9] = this.endingSpline.verticesBeginning[Mathf.Clamp(l + num12, 0, this.endingSpline.verticesBeginning.Count - 1)] + this.endingSpline.transform.position - base.transform.position;
                }
                else
                {
                    array[num9] = Vector3.Lerp(this.pointsDown[k], this.pointsUp[k], num10);
                    RaycastHit raycastHit;
                    if (Physics.Raycast(array[num9] + base.transform.position + Vector3.up * 5f, Vector3.down, out raycastHit, 1000f, this.snapMask.value))
                    {
                        array[num9] = Vector3.Lerp(array[num9], raycastHit.point - base.transform.position + new Vector3(0f, 0.1f, 0f), (Mathf.Sin(3.14159274f * this.snaps[k] - 1.57079637f) + 1f) * 0.5f);
                    }
                    RaycastHit raycastHit2;
                    if (this.normalFromRaycast && Physics.Raycast(this.points[k] + base.transform.position + Vector3.up * 5f, Vector3.down, out raycastHit2, 1000f, this.snapMask.value))
                    {
                        array2[num9] = raycastHit2.normal;
                    }
                    Vector3[] array6 = array;
                    int       num13  = num9;
                    array6[num13].y = array6[num13].y + Mathf.Lerp(this.controlPointsMeshCurves[Mathf.FloorToInt(this.lerpValues[k])].Evaluate(num10), this.controlPointsMeshCurves[Mathf.CeilToInt(this.lerpValues[k])].Evaluate(num10), this.lerpValues[k] - Mathf.Floor(this.lerpValues[k]));
                }
                if (k > 0 && k < 5 && this.beginningSpline != null && this.beginningSpline.verticesEnding != null)
                {
                    array[num9].y = (array[num9].y + array[num9 - this.vertsInShape].y) * 0.5f;
                }
                if (k == this.pointsDown.Count - 1 && this.endingSpline != null && this.endingSpline.verticesBeginning != null)
                {
                    for (int m = 1; m < 5; m++)
                    {
                        array[num9 - this.vertsInShape * m].y = (array[num9 - this.vertsInShape * (m - 1)].y + array[num9 - this.vertsInShape * m].y) * 0.5f;
                    }
                }
                if (k == 0)
                {
                    this.verticesBeginning.Add(array[num9]);
                }
                if (k == this.pointsDown.Count - 1)
                {
                    this.verticesEnding.Add(array[num9]);
                }
                if (!this.normalFromRaycast)
                {
                    array2[num9] = this.orientations[k] * Vector3.up;
                }
                if (k == 0)
                {
                    this.normalsBeginning.Add(array2[num9]);
                }
                if (k == this.pointsDown.Count - 1)
                {
                    this.normalsEnding.Add(array2[num9]);
                }
                if (l > 0)
                {
                    num7 = num10 * this.uvWidth;
                    num8 = num10;
                }
                if (this.beginningSpline != null || this.endingSpline != null)
                {
                    num7 += this.uvBeginning;
                }
                num7 /= this.uvScale;
                float num14 = this.FlowCalculate(num8, array2[num9].y);
                int   num15 = 10;
                if (this.beginnigChildSplines.Count > 0 && k <= num15)
                {
                    float num16 = 0f;
                    int   n     = 0;
                    while (n < this.endingChildSplines.Count)
                    {
                        RamSpline ramSpline = this.endingChildSplines[n];
                        if (ramSpline == null)
                        {
                            this.endingChildSplines.RemoveAt(n);
                        }
                        else
                        {
                            n++;
                            if (Mathf.CeilToInt(ramSpline.endingMaxWidth * (float)(this.vertsInShape - 1)) >= l && l >= Mathf.CeilToInt(ramSpline.endingMinWidth * (float)(this.vertsInShape - 1)))
                            {
                                num16 = (float)(l - Mathf.CeilToInt(ramSpline.endingMinWidth * (float)(this.vertsInShape - 1))) / (float)(Mathf.CeilToInt(ramSpline.endingMaxWidth * (float)(this.vertsInShape - 1)) - Mathf.CeilToInt(ramSpline.endingMinWidth * (float)(this.vertsInShape - 1)));
                                num16 = this.FlowCalculate(num16, array2[num9].y);
                            }
                        }
                    }
                    if (k > 0)
                    {
                        num14 = Mathf.Lerp(num14, num16, 1f - (float)k / (float)num15);
                    }
                    else
                    {
                        num14 = num16;
                    }
                }
                if (k >= this.pointsDown.Count - num15 - 1 && this.endingChildSplines.Count > 0)
                {
                    float num17 = 0f;
                    int   num18 = 0;
                    while (num18 < this.endingChildSplines.Count)
                    {
                        RamSpline ramSpline2 = this.endingChildSplines[num18];
                        if (ramSpline2 == null)
                        {
                            this.endingChildSplines.RemoveAt(num18);
                        }
                        else
                        {
                            num18++;
                            if (Mathf.CeilToInt(ramSpline2.beginningMaxWidth * (float)(this.vertsInShape - 1)) >= l && l >= Mathf.CeilToInt(ramSpline2.beginningMinWidth * (float)(this.vertsInShape - 1)))
                            {
                                num17 = (float)(l - Mathf.CeilToInt(ramSpline2.beginningMinWidth * (float)(this.vertsInShape - 1))) / (float)(Mathf.CeilToInt(ramSpline2.beginningMaxWidth * (float)(this.vertsInShape - 1)) - Mathf.CeilToInt(ramSpline2.beginningMinWidth * (float)(this.vertsInShape - 1)));
                                num17 = this.FlowCalculate(num17, array2[num9].y);
                            }
                        }
                    }
                    if (k < this.pointsDown.Count - 1)
                    {
                        num14 = Mathf.Lerp(num14, num17, (float)(k - (this.pointsDown.Count - num15 - 1)) / (float)num15);
                    }
                    else
                    {
                        num14 = num17;
                    }
                }
                float num19 = -(num8 - 0.5f) * 0.01f;
                if (this.uvRotation)
                {
                    if (!this.invertUVDirection)
                    {
                        array3[num9] = new Vector2(1f - this.length, num7);
                        array4[num9] = new Vector2(1f - this.length / this.fulllength, num8);
                        array5[num9] = new Vector2(num14, num19);
                    }
                    else
                    {
                        array3[num9] = new Vector2(1f + this.length, num7);
                        array4[num9] = new Vector2(1f + this.length / this.fulllength, num8);
                        array5[num9] = new Vector2(num14, num19);
                    }
                }
                else if (!this.invertUVDirection)
                {
                    array3[num9] = new Vector2(num7, 1f - this.length);
                    array4[num9] = new Vector2(num8, 1f - this.length / this.fulllength);
                    array5[num9] = new Vector2(num19, num14);
                }
                else
                {
                    array3[num9] = new Vector2(num7, 1f + this.length);
                    array4[num9] = new Vector2(num8, 1f + this.length / this.fulllength);
                    array5[num9] = new Vector2(num19, num14);
                }
                if (this.colorsFlowMap.Count <= num9)
                {
                    this.colorsFlowMap.Add(array5[num9]);
                }
                else if (!this.overrideFlowMap)
                {
                    this.colorsFlowMap[num9] = array5[num9];
                }
            }
        }
        for (int num20 = 0; num20 < num; num20++)
        {
            int num21 = num20 * this.vertsInShape;
            for (int num22 = 0; num22 < this.vertsInShape - 1; num22++)
            {
                int item  = num21 + num22;
                int item2 = num21 + num22 + this.vertsInShape;
                int item3 = num21 + num22 + 1 + this.vertsInShape;
                int item4 = num21 + num22 + 1;
                list.Add(item);
                list.Add(item2);
                list.Add(item3);
                list.Add(item3);
                list.Add(item4);
                list.Add(item);
            }
        }
        mesh = new Mesh();
        mesh.Clear();
        mesh.vertices  = array;
        mesh.normals   = array2;
        mesh.uv        = array3;
        mesh.uv3       = array4;
        mesh.uv4       = this.colorsFlowMap.ToArray();
        mesh.triangles = list.ToArray();
        mesh.colors    = this.colors;
        mesh.RecalculateTangents();
        this.meshfilter.mesh = mesh;
        base.GetComponent <MeshRenderer>().enabled = true;
        if (this.generateMeshParts)
        {
            this.GenerateMeshParts(mesh);
        }
    }
    public override void OnInspectorGUI()
    {
        EditorGUILayout.Space();
        logo = (Texture2D)Resources.Load("logoRAM");



        Color baseCol = GUI.color;

        spline = (RamSpline)target;


        scrollPos = EditorGUILayout.BeginScrollView(scrollPos);
        {
            GUIContent btnTxt = new GUIContent(logo);

            var rt = GUILayoutUtility.GetRect(btnTxt, GUI.skin.label, GUILayout.ExpandWidth(false));
            rt.center = new Vector2(EditorGUIUtility.currentViewWidth / 2, rt.center.y);

            GUI.Button(rt, btnTxt, GUI.skin.label);



            EditorGUILayout.HelpBox("Add Point  - CTRL + Left Mouse Button Click", MessageType.Info);
            EditorGUI.indentLevel++;

            EditorGUILayout.BeginHorizontal();
            showPositions = EditorGUILayout.Foldout(showPositions, "Points");

            if (GUILayout.Button("Add point at end"))
            {
                Undo.RecordObject(spline, "Add point");

                int     i        = spline.controlPoints.Count - 1;
                Vector4 position = Vector3.zero;
                position.w = spline.width;

                if (i < spline.controlPoints.Count - 1 && spline.controlPoints.Count > i + 1)
                {
                    position = spline.controlPoints [i];
                    Vector4 positionSecond = spline.controlPoints [i + 1];
                    if (Vector3.Distance((Vector3)positionSecond, (Vector3)position) > 0)
                    {
                        position = (position + positionSecond) * 0.5f;
                    }
                    else
                    {
                        position.x += 1;
                    }
                }
                else if (spline.controlPoints.Count > 1 && i == spline.controlPoints.Count - 1)
                {
                    position = spline.controlPoints [i];
                    Vector4 positionSecond = spline.controlPoints [i - 1];
                    if (Vector3.Distance((Vector3)positionSecond, (Vector3)position) > 0)
                    {
                        position = position + (position - positionSecond);
                    }
                    else
                    {
                        position.x += 1;
                    }
                }
                else if (spline.controlPoints.Count > 0)
                {
                    position    = spline.controlPoints [i];
                    position.x += 1;
                }

                spline.controlPoints.Add(position);

                spline.GenerateSpline();
            }
            EditorGUILayout.EndHorizontal();

            EditorGUI.BeginChangeCheck();
            if (showPositions)
            {
                EditorGUI.indentLevel++;
                for (int i = 0; i < spline.controlPoints.Count; i++)
                {
                    EditorGUILayout.BeginHorizontal();

                    spline.controlPoints [i] = EditorGUILayout.Vector4Field("", spline.controlPoints [i]);

                    if (spline.controlPoints [i].w <= 0)
                    {
                        Vector4 vec4 = spline.controlPoints [i];
                        vec4.w = 1;
                        spline.controlPoints [i] = vec4;
                    }

                    if (GUILayout.Button(new GUIContent("A", "Add point after this point")))
                    {
                        Undo.RecordObject(spline, "Add point");


                        Vector4 position = spline.controlPoints [i];

                        if (i < spline.controlPoints.Count - 1 && spline.controlPoints.Count > i + 1)
                        {
                            Vector4 positionSecond = spline.controlPoints [i + 1];
                            if (Vector3.Distance((Vector3)positionSecond, (Vector3)position) > 0)
                            {
                                position = (position + positionSecond) * 0.5f;
                            }
                            else
                            {
                                position.x += 1;
                            }
                        }
                        else if (spline.controlPoints.Count > 1 && i == spline.controlPoints.Count - 1)
                        {
                            Vector4 positionSecond = spline.controlPoints [i - 1];
                            if (Vector3.Distance((Vector3)positionSecond, (Vector3)position) > 0)
                            {
                                position = position + (position - positionSecond);
                            }
                            else
                            {
                                position.x += 1;
                            }
                        }
                        else
                        {
                            position.x += 1;
                        }

                        spline.controlPoints.Insert(i + 1, position);

                        spline.GenerateSpline();
                    }

                    if (GUILayout.Button(new GUIContent("R", "Remove this Point")))
                    {
                        Undo.RecordObject(spline, "Remove point");
                        spline.controlPoints.RemoveAt(i);
                        spline.GenerateSpline();
                    }

                    if (GUILayout.Toggle(selectedPosition == i, new GUIContent("S", "Select point"), "Button"))
                    {
                        selectedPosition = i;
                    }
                    else if (selectedPosition == i)
                    {
                        selectedPosition = -1;
                    }

                    EditorGUILayout.EndHorizontal();
                }

                EditorGUI.indentLevel--;
                EditorGUILayout.Space();
            }

            EditorGUI.indentLevel--;

            string meshResolution = "Triangles density";
            if (spline.meshfilter != null && spline.meshfilter.sharedMesh != null)
            {
                float tris = spline.meshfilter.sharedMesh.triangles.Length;
                meshResolution += " (" + tris + " tris)";
            }
            else if (spline.meshfilter != null && spline.meshfilter.sharedMesh == null)
            {
                spline.GenerateSpline();
            }
            EditorGUILayout.LabelField(meshResolution);

            EditorGUI.indentLevel++;
            spline.traingleDensity = 1 / (float)EditorGUILayout.IntSlider("U", (int)(1 / (float)spline.traingleDensity), 1, 100);

            spline.vertsInShape = EditorGUILayout.IntSlider("V", spline.vertsInShape - 1, 1, 20) + 1;
            EditorGUI.indentLevel--;


            spline.uvScale = EditorGUILayout.FloatField("UV scale (texture tiling)", spline.uvScale);

            if (EditorGUI.EndChangeCheck())
            {
                spline.GenerateSpline();
            }


            EditorGUILayout.BeginHorizontal();
            {
                spline.width = EditorGUILayout.FloatField("River width", spline.width);
                if (GUILayout.Button("Change width for whole river"))
                {
                    if (spline.width > 0)
                    {
                        Undo.RecordObject(spline, "Add point");
                        for (int i = 0; i < spline.controlPoints.Count; i++)
                        {
                            Vector4 point = spline.controlPoints [i];
                            point.w = spline.width;
                            spline.controlPoints [i] = point;
                        }

                        spline.GenerateSpline();
                    }
                }
            }
            EditorGUILayout.EndHorizontal();


            EditorGUILayout.Space();



            if (GUILayout.Button("Set basic river material"))
            {
                try {
                    string materialName = "RAM_River_Material_Gamma";
                    if (PlayerSettings.colorSpace == ColorSpace.Linear)
                    {
                        materialName = "RAM_River_Material_Linear";
                    }

                    Material riverMat = (Material)Resources.Load(materialName);

                    if (riverMat != null)
                    {
                        spline.GetComponent <MeshRenderer> ().sharedMaterial = riverMat;
                    }
                } catch {
                }
            }

            if (GUILayout.Button("Set basic river material with tesselation"))
            {
                try {
                    string materialName = "RAM_River_Material_Gamma_Tess";
                    if (PlayerSettings.colorSpace == ColorSpace.Linear)
                    {
                        materialName = "RAM_River_Material_Linear_Tess";
                    }

                    Material riverMat = (Material)Resources.Load(materialName);

                    if (riverMat != null)
                    {
                        spline.GetComponent <MeshRenderer> ().sharedMaterial = riverMat;
                    }
                } catch {
                }
            }
            if (GUILayout.Button("Set basic river material - vertex color"))
            {
                try {
                    string materialName = "RAM_River_Material_Gamma_Vertex_Color";
                    if (PlayerSettings.colorSpace == ColorSpace.Linear)
                    {
                        materialName = "RAM_River_Material_Linear_Vertex_Color";
                    }

                    Material riverMat = (Material)Resources.Load(materialName);

                    if (riverMat != null)
                    {
                        spline.GetComponent <MeshRenderer> ().sharedMaterial = riverMat;
                    }
                } catch {
                }
            }

            if (GUILayout.Button("Set basic river material with tesselation - vertex color"))
            {
                try {
                    string materialName = "RAM_River_Material_Gamma_Tess_Vertex_Color";
                    if (PlayerSettings.colorSpace == ColorSpace.Linear)
                    {
                        materialName = "RAM_River_Material_Linear_Tess_Vertex_Color";
                    }

                    Material riverMat = (Material)Resources.Load(materialName);

                    if (riverMat != null)
                    {
                        spline.GetComponent <MeshRenderer> ().sharedMaterial = riverMat;
                    }
                } catch {
                }
            }



            EditorGUILayout.Space();
            EditorGUILayout.Space();

            EditorGUI.indentLevel++;
            spline.showAdditionalOptions = EditorGUILayout.Foldout(spline.showAdditionalOptions, "Additional options");

            if (spline.showAdditionalOptions)
            {
                GUIStyle buttonEditingStyle = new GUIStyle(GUI.skin.GetStyle("Button"));
                buttonEditingStyle.fontStyle = FontStyle.Bold;
                buttonEditingStyle.fontSize  = 15;

                Color guiBaseColor = GUI.color;

                GUI.color = Color.green;
                if (!spline.drawOnMesh && GUILayout.Button("Start drawing vertex color", buttonEditingStyle))
                {
                    spline.drawOnMesh = true;
                }
                GUI.color = Color.red;
                if (spline.drawOnMesh && GUILayout.Button("Stop drawing vertex color", buttonEditingStyle))
                {
                    spline.drawOnMesh = false;
                }
                GUI.color = guiBaseColor;

                if (spline.drawOnMesh)
                {
                    EditorGUILayout.HelpBox("R - Slow Water G - Small Cascade B - Big Cascade A - Opacity", MessageType.Info);
                    spline.drawColor = EditorGUILayout.ColorField("Draw color", spline.drawColor);
                    spline.opacity   = EditorGUILayout.FloatField("Opacity", spline.opacity);
                    spline.drawSize  = EditorGUILayout.FloatField("Size", spline.drawSize);

                    if (spline.drawSize < 0)
                    {
                        spline.drawSize = 0;
                    }
                }

                if (!spline.showVertexColors)
                {
                    if (GUILayout.Button("Show vertex colors"))
                    {
                        spline.oldMaterial = spline.GetComponent <MeshRenderer> ().sharedMaterial;
                        spline.GetComponent <MeshRenderer> ().sharedMaterial = new Material(Shader.Find("Debug/Vertex color"));
                        spline.showVertexColors = true;
                    }
                }
                else
                {
                    if (GUILayout.Button("Hide vertex colors"))
                    {
                        spline.GetComponent <MeshRenderer> ().sharedMaterial = spline.oldMaterial;
                        spline.showVertexColors = false;
                    }
                }


                EditorGUILayout.Space();
                EditorGUILayout.Space();

                if (GUILayout.Button("Set object pivot to center"))
                {
                    Vector3 center = spline.meshfilter.sharedMesh.bounds.center;

                    ChangePivot(center);
                }
                EditorGUILayout.BeginHorizontal();
                {
                    if (GUILayout.Button("Set object pivot position"))
                    {
                        ChangePivot(pivotChange - spline.transform.position);
                    }
                    pivotChange = EditorGUILayout.Vector3Field("", pivotChange);
                }
                EditorGUILayout.EndHorizontal();

                EditorGUILayout.Space();

                if (GUILayout.Button(new GUIContent("Regenerate spline", "Racalculates whole mesh")))
                {
                    spline.GenerateSpline();
                }

                EditorGUILayout.Space();
                if (GUILayout.Button("Export as mesh"))
                {
                    string path = EditorUtility.SaveFilePanelInProject("Save river mesh", "", "asset", "Save river mesh");


                    if (path.Length != 0 && spline.meshfilter.sharedMesh != null)
                    {
                        AssetDatabase.CreateAsset(spline.meshfilter.sharedMesh, path);

                        AssetDatabase.Refresh();
                        spline.GenerateSpline();
                    }
                }
            }
        }
        EditorGUILayout.EndScrollView();
    }