Ejemplo n.º 1
0
        public static Cone Create(float topRadius, float bottomRadius, float height, int slicesCount, Vector3Class positionOffset)
        {
            var coneTriangles = new Cone();

            coneTriangles.Normal = new Vector3Class(0, 0, 1);

            var topPoints    = VectorHelper.CreateCircle(height, topRadius, slicesCount, false);
            var bottomPoints = VectorHelper.CreateCircle(0, bottomRadius, slicesCount, false);

            for (var middleRadiusPointIndex = 0; middleRadiusPointIndex < bottomPoints.Count; middleRadiusPointIndex++)
            {
                //create left triagle
                var leftTriangle = new Triangle();

                leftTriangle.Vectors[0].Position = topPoints[middleRadiusPointIndex] + positionOffset;
                leftTriangle.Vectors[1].Position = bottomPoints[middleRadiusPointIndex] + positionOffset;

                if (middleRadiusPointIndex == bottomPoints.Count - 1)
                {
                    leftTriangle.Vectors[2].Position = bottomPoints[0] + positionOffset;
                }
                else
                {
                    leftTriangle.Vectors[2].Position = bottomPoints[middleRadiusPointIndex + 1] + positionOffset;
                }

                leftTriangle.CalcNormal();
                coneTriangles[0].Add(leftTriangle);

                //right triangle
                var rightTriangle = new Triangle();
                rightTriangle.Vectors[0].Position = topPoints[middleRadiusPointIndex] + positionOffset;

                if (middleRadiusPointIndex == bottomPoints.Count - 1)
                {
                    rightTriangle.Vectors[1].Position = bottomPoints[0] + positionOffset;
                    rightTriangle.Vectors[2].Position = topPoints[0] + positionOffset;
                }
                else
                {
                    rightTriangle.Vectors[1].Position = bottomPoints[middleRadiusPointIndex + 1] + positionOffset;
                    rightTriangle.Vectors[2].Position = topPoints[middleRadiusPointIndex + 1] + positionOffset;
                }

                rightTriangle.CalcNormal();
                coneTriangles[0].Add(rightTriangle);
            }

            return(coneTriangles);
        }
Ejemplo n.º 2
0
        internal SupportConeV2(float topHeight, float topRadius, float middleRadius, float bottomHeight, float bottomRadius, int slicesCount, TriangleIntersection modelIntersection, Color color, STLModel3D stlModel = null, bool groundSupport = true, bool useSupportPenetration = false, STLModel3D surfaceTriangles = null, TypeSupportCone supportConeType = TypeSupportCone.Normal, float bottomWidthCorrection = 0f,
                               float aSegmentRadius = float.MinValue, float aSegmentHeight = float.MinValue, float bSegmentRadius = float.MinValue, float bSegmentHeight = float.MinValue, float cSegmentRadius = float.MinValue, float dSegmentRadius = float.MinValue, float dSegmentHeight = float.MinValue, bool calcSliceContours = true)
        {
            this._color = color;

            this.SupportConeVersion = TypeSupportConeVersion.Version2;

            this.ModelIntersection = modelIntersection;

            this.ASegmentHeight = aSegmentHeight;
            this.ASegmentRadius = aSegmentRadius;
            this.BSegmentHeight = bSegmentHeight;
            this.BSegmentRadius = bSegmentRadius;
            this.CSegmentRadius = cSegmentRadius;
            this.DSegmentHeight = dSegmentHeight;
            this.DSegmentRadius = dSegmentRadius;

            //supportcone properties
            this.TopRadius    = topRadius;
            this.TopHeight    = topHeight;
            this.MiddleRadius = middleRadius;
            this.BottomHeight = bottomHeight;
            this.BottomRadius = bottomRadius;

            this.MiddleRadius = bSegmentRadius;
            middleRadius      = bSegmentRadius;

            //determine rotation angle
            float angleY;
            float angleZ;

            VectorHelper.CalcRotationAnglesYZFromVector(modelIntersection.Normal, false, out angleZ, out angleY);

            var aSegmentRotationY = 0f;

            this._rotationAngleY = angleY;
            this._rotationAngleZ = angleZ;

            if (angleZ < 0)
            {
                this._rotationAngleZ = 360 + angleZ;
            }

            if (this.RotationAngleY > 180 && this.RotationAngleY < 270f)
            {
                this._rotationAngleY = 225 - (((270f - this.RotationAngleY) / 90f) * 45f);
                aSegmentRotationY    = 270 - (270f - angleY);
            }
            else if (this.RotationAngleY > 90 && this.RotationAngleY < 180)
            {
                this._rotationAngleY = 180 - (((180 - this.RotationAngleY) / 90f) * 45f);
                aSegmentRotationY    = 180 - (180 - angleY);
            }

            //create segments
            this.ASegment = new Sphere(aSegmentRadius, new Vector3(),
                                       Sphere.eSubdivisions.Two,
                                       new Sphere.eDir[] { Sphere.eDir.All },
                                       modelIntersection.IntersectionPoint,
                                       new Structs.Byte4Class(this.Color.A, color.R, color.G, color.B)
                                       );

            this.RefPointCSegment = new Vector3Class(0, 0, aSegmentHeight + bSegmentHeight + cSegmentRadius);
            var refPointRotationVector = this.Rotate(this.RotationAngleY, this.RotationAngleZ, this.RefPointCSegment);

            this.RefPointCSegment = refPointRotationVector + modelIntersection.IntersectionPoint;
            var refPointCSegmentXY = new Vector3Class(this.RefPointCSegment.X, this.RefPointCSegment.Y, 0);

            refPointRotationVector.Normalize();



            var middleHeight = this.RefPointCSegment.Z - cSegmentRadius - dSegmentHeight - topHeight - bottomHeight;

            //add bottom caps to b-seqment
            this.BSegment = Cone.Create(bSegmentRadius, aSegmentRadius - 0.1f, (aSegmentRadius / 2) + bSegmentHeight + cSegmentRadius, slicesCount, new Vector3Class());

            //rotate B segment using normal
            this.BSegment.Rotate(this.RotationAngleY, this.RotationAngleZ);
            this.BSegment.Translate(modelIntersection.IntersectionPoint);
            this.BSegmentCap = new ConeCap(this.RefPointCSegment, this.BSegment.BottomPoints, false);

            //merge a and b-segments
            //var aSegmentBottomPoints = this.ASegment.BottomPoints;
            var bSegmentTopPoints = this.BSegment.TopPoints;


            //middle circle
            this.CSegment = (new Sphere(cSegmentRadius * 1.1f,
                                        new Vector3(),
                                        Sphere.eSubdivisions.Two,
                                        new Sphere.eDir[] { Sphere.eDir.All },
                                        this.RefPointCSegment,
                                        new Structs.Byte4Class(this.Color.A, color.R, color.G, color.B)));

            if (middleHeight >= 0f)
            {
                this.DSegment = Cone.Create(dSegmentRadius, topRadius, dSegmentHeight + cSegmentRadius, slicesCount, this.RefPointCSegment - new Vector3Class(0, 0, (dSegmentHeight + cSegmentRadius)));

                this.TopSupportCone    = Cone.Create(topRadius, middleRadius, topHeight, slicesCount, this.RefPointCSegment - new Vector3Class(0, 0, dSegmentHeight + cSegmentRadius + topHeight));
                this.MiddleSupportCone = Cone.Create(middleRadius, middleRadius + (middleHeight * bottomWidthCorrection / 100f), middleHeight, slicesCount, refPointCSegmentXY + new Vector3Class(0, 0, bottomHeight));
            }
            else
            {
                this.DSegment          = new Cone();
                this.TopSupportCone    = new Cone();
                this.MiddleSupportCone = Cone.Create(middleRadius, middleRadius, (this.RefPointCSegment.Z - this.BottomHeight), slicesCount, refPointCSegmentXY + new Vector3Class(0, 0, this.BottomHeight));
            }

            this.BottomSupportCone = Cone.Create(middleRadius + (middleHeight * (bottomWidthCorrection / 100f)), bottomRadius + (middleHeight * (bottomWidthCorrection / 100f)), bottomHeight, slicesCount, refPointCSegmentXY);
            var capPoints      = VectorHelper.CreateCircle(0, bottomRadius + (middleHeight * bottomWidthCorrection / 100f), slicesCount, false);
            var supportConeCap = base.CreateCap(capPoints, new Vector3Class(), new Vector3Class(), false);

            foreach (var supportConeCapPoint in supportConeCap[0])
            {
                supportConeCapPoint.Vectors[0].Position += refPointCSegmentXY;
                supportConeCapPoint.Vectors[1].Position += refPointCSegmentXY;
                supportConeCapPoint.Vectors[2].Position += refPointCSegmentXY;
            }
            this.BottomSupportCone[0].AddRange(supportConeCap[0]);

            this.Triangles = new TriangleInfoList();
            this.Triangles[0].AddRange(this.TotalTriangles);

            foreach (var triangle in this.Triangles[0])
            {
                triangle.CalcMinMaxX();
                triangle.CalcMinMaxY();
                triangle.CalcMinMaxZ();
                triangle.CalcCenter();
                triangle.UpdateColor(this.ColorAsByte4, true);
            }

            this.UpdateBoundries();

            if (this.VBOIndexes == null || this.VBOIndexes.Length == 0)
            {
                this.BindModel();
                this.UpdateBinding();
            }
        }