// Tooth
// 4__5<-------- OuterDiameter
// / \
// 3/ \6<------ Pitch Diameter
// ->|------|<------- Tooth Thickness (at Pitch Diameter)
// ->|------|<------- Working Depth
// 1__2 7__8 <--- Whole Depth; Root Radius
private void DrawGearFace(float centerX, float centerY)
{
var outsideRadius = SpurGear.OutsideDiameter / 2 + centerX;
var rootRadius = outsideRadius - SpurGear.WholeDepth;
var pitchRadius = SpurGear.PitchDiameter / 2;
var circularPitchAngle = (float)(RadInCyrcle / SpurGear.NumberOfTeeth);
var toothThicknessAngle = ((float)(RadInCyrcle * SpurGear.ToothThickness) / (Math.PI * SpurGear.PitchDiameter));
var halfBottomLandPitch = ((circularPitchAngle - toothThicknessAngle) / 2f);
var initVerticesCount = SpurGear.Vertices.Count;
/*1*/
float startAngle = 0;
var pos = new Pos2D(centerX, rootRadius + centerY);
AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount);
for (var i = 0; i < SpurGear.NumberOfTeeth; i++)
{
var pitchFacePos2D = new PitchFacePos2D(i);
_pitchFacePos2Ds.Add(pitchFacePos2D);
/*1-2 draw first half base*/
for (var angle = _segmentAngleInRad; angle < halfBottomLandPitch; angle += _segmentAngleInRad)
{
var pos2D = Pos(rootRadius, startAngle + angle, centerX, centerY);
AddFace(pos2D.X, pos2D.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount);
}
/*2*/
pos = Pos(rootRadius, startAngle + halfBottomLandPitch, centerX, centerY);
AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
/*3 - draw tooth*/
pos = Pos(pitchRadius, startAngle + halfBottomLandPitch, centerX, centerY);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
/*4*/
var q = toothThicknessAngle / 4;
pos = Pos(outsideRadius, startAngle + halfBottomLandPitch + q, centerX, centerY);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
/*5*/
pos = Pos(outsideRadius, startAngle + halfBottomLandPitch + toothThicknessAngle - q, centerX, centerY);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
/*6*/
pos = Pos(pitchRadius, startAngle + halfBottomLandPitch + toothThicknessAngle, centerX, centerY);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
/*7*/
pos = Pos(rootRadius, startAngle + halfBottomLandPitch + toothThicknessAngle, centerX, centerY);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
/*8* draw second half base*/
for (var angle = startAngle + halfBottomLandPitch + toothThicknessAngle; angle < circularPitchAngle; angle += _segmentAngleInRad)
{
pos = Pos(rootRadius, angle, centerX, centerY);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
}
startAngle += circularPitchAngle;
}
/*1 draw last half base*/
for (var angle = _segmentAngleInRad; angle < halfBottomLandPitch; angle += _segmentAngleInRad)
{
pos = Pos(rootRadius, startAngle + angle, centerX, centerY);
AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount);
}
foreach (var pitchFacePos2D in _pitchFacePos2Ds)
{
for (int i = 2; i < pitchFacePos2D.Vertices.Count; i++)
{
AddTriangleFace(SpurGear, null, SpurGear.Vertices.IndexOf(pitchFacePos2D.Vertices[i].Top) + 1, 3,2,1);
AddTriangleFace(SpurGear, null, SpurGear.Vertices.IndexOf(pitchFacePos2D.Vertices[i - 1].Top) + 1, 3, 2, 1);
AddTriangleFace(SpurGear, null, SpurGear.Vertices.IndexOf(pitchFacePos2D.Vertices[i - 2].Top) + 1, 3, 2, 1);
}
}
}
// Tooth
// 4__5<-------- OuterDiameter
// / \
// 3/ \6<------ Pitch Diameter
// ->|------|<------- Tooth Thickness (at Pitch Diameter)
// ->|------|<------- Working Depth
// 1__2 7__8 <--- Whole Depth; Root Radius
private void DrawGearFace(float centerX, float centerY)
{
var outsideRadius = SpurGear.OutsideDiameter / 2 + centerX;
var rootRadius = outsideRadius - SpurGear.WholeDepth;
var pitchRadius = SpurGear.PitchDiameter / 2;
var circularPitchAngle = (float)(RadInCyrcle / SpurGear.NumberOfTeeth);
var toothThicknessAngle = ((float)(RadInCyrcle * SpurGear.ToothThickness) / (Math.PI * SpurGear.PitchDiameter));
var halfBottomLandPitch = ((circularPitchAngle - toothThicknessAngle) / 2f);
var initVerticesCount = SpurGear.Vertices.Count;
/*1*/
float startAngle = 0;
var pos = new Pos2D(centerX, rootRadius + centerY);
AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount);
for (var i = 0; i < SpurGear.NumberOfTeeth; i++)
{
var pitchFacePos2D = new PitchFacePos2D(i);
_pitchFacePos2Ds.Add(pitchFacePos2D);
/*1-2 draw first half base*/
for (var angle = _segmentAngleInRad; angle < halfBottomLandPitch; angle += _segmentAngleInRad)
{
var pos2D = Pos(rootRadius, startAngle + angle, centerX, centerY);
AddFace(pos2D.X, pos2D.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount);
}
/*2*/
pos = Pos(rootRadius, startAngle + halfBottomLandPitch, centerX, centerY);
AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
/*3 - draw tooth*/
pos = Pos(pitchRadius, startAngle + halfBottomLandPitch, centerX, centerY);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
/*4*/
var q = toothThicknessAngle / 4;
pos = Pos(outsideRadius, startAngle + halfBottomLandPitch + q, centerX, centerY);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
/*5*/
pos = Pos(outsideRadius, startAngle + halfBottomLandPitch + toothThicknessAngle - q, centerX, centerY);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
/*6*/
pos = Pos(pitchRadius, startAngle + halfBottomLandPitch + toothThicknessAngle, centerX, centerY);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
/*7*/
pos = Pos(rootRadius, startAngle + halfBottomLandPitch + toothThicknessAngle, centerX, centerY);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
/*8* draw second half base*/
for (var angle = startAngle + halfBottomLandPitch + toothThicknessAngle; angle < circularPitchAngle; angle += _segmentAngleInRad)
{
pos = Pos(rootRadius, angle, centerX, centerY);
pitchFacePos2D.Add(AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount));
}
startAngle += circularPitchAngle;
}
/*1 draw last half base*/
for (var angle = _segmentAngleInRad; angle < halfBottomLandPitch; angle += _segmentAngleInRad)
{
pos = Pos(rootRadius, startAngle + angle, centerX, centerY);
AddFace(pos.X, pos.Y, SpurGear.FaceWidth, SpurGear, 0, initVerticesCount);
}
foreach (var pitchFacePos2D in _pitchFacePos2Ds)
{
for (int i = 2; i < pitchFacePos2D.Vertices.Count; i++)
{
AddTriangleFace(SpurGear, null, SpurGear.Vertices.IndexOf(pitchFacePos2D.Vertices[i].Top) + 1, 3, 2, 1);
AddTriangleFace(SpurGear, null, SpurGear.Vertices.IndexOf(pitchFacePos2D.Vertices[i - 1].Top) + 1, 3, 2, 1);
AddTriangleFace(SpurGear, null, SpurGear.Vertices.IndexOf(pitchFacePos2D.Vertices[i - 2].Top) + 1, 3, 2, 1);
}
}
}
