private void DefaultTransformVals()
{
objCentre = DefaultObjCentre;
surfaceCentre = DefaultSurfaceCentre;
OldScalVal = ScalVal = 1;
ScaleBox.Value = 1;
if (PyramidCheck.Checked)
{
oldTransVal.X = TransVal.X = objCentre.X;
oldTransVal.Y = TransVal.Y = objCentre.Y;
oldTransVal.Z = TransVal.Z = objCentre.Z;
}
else
{
oldTransVal.X = TransVal.X = surfaceCentre.X;
oldTransVal.Y = TransVal.Y = surfaceCentre.Y;
oldTransVal.Z = TransVal.Z = surfaceCentre.Z;
}
transX.Value = (decimal)oldTransVal.X;
transY.Value = (decimal)oldTransVal.Y;
transZ.Value = (decimal)oldTransVal.Z;
XRotValue = YRotValue = ZRotValue = OldXRotValue = OldYRotValue = OldZRotValue = 0;
rotateX.Value = rotateY.Value = rotateZ.Value = 0;
pyramid = (Polygon3D[])DefaultPyramid.Clone();
surface.ControlPoints = (PointF3D[, ])DefaultControlPoints.Clone();
}
public Form1()
{
InitializeComponent();
Normalize.WinHeight = isometrixBox.ClientSize.Height;
Normalize.WinWidth = isometrixBox.ClientSize.Width;
//Base
PointF3D base1 = new PointF3D(2, 0, 0);
PointF3D base2 = new PointF3D(0, 0, 5);
PointF3D base3 = new PointF3D(15f, 0, 8f);
//Height
PointF3D height = new PointF3D(2, 10, 0);
DefaultPyramid = new Polygon3D[]
{
//base
new Polygon3D(new PointF3D[] { base1, base2, base3 }),
//connections lines to the height
new Polygon3D(new PointF3D[] { base1, height }),
new Polygon3D(new PointF3D[] { base2, height }),
new Polygon3D(new PointF3D[] { base3, height }),
//height
new Polygon3D(new PointF3D[] { height, height }),
};
pyramid = (Polygon3D[])DefaultPyramid.Clone();
DefaultObjCentre = new PointF3D(2, 0, 2);
objCentre = DefaultObjCentre;
surfaceCentre = DefaultSurfaceCentre;
DefaultTransformVals();
PointF[] IzometricAxes = ProjectionAffinity.projectionIsometric(coordinateLines);
PointF[] XYAxes = ProjectionAffinity.projectionXY(coordinateLines);
PointF[] XZAxes = ProjectionAffinity.projectionXZ(coordinateLines);
PointF[] YZAxes = ProjectionAffinity.projectionYZ(coordinateLines);
normalizedIzometricAxes = new PointF[IzometricAxes.Length];
normalizedXYAxes = new PointF[XYAxes.Length];
normalizedXZAxes = new PointF[XZAxes.Length];
normalizedYZAxes = new PointF[YZAxes.Length];
for (int i = 0; i < coordinateLines.Length; i++)
{
normalizedIzometricAxes[i].X = Normalize.NormalizeX(IzometricAxes[i].X);
normalizedIzometricAxes[i].Y = Normalize.NormalizeY(IzometricAxes[i].Y);
normalizedXYAxes[i].X = Normalize.NormalizeX(XYAxes[i].X);
normalizedXYAxes[i].Y = Normalize.NormalizeY(XYAxes[i].Y);
normalizedXZAxes[i].X = Normalize.NormalizeX(XZAxes[i].X);
normalizedXZAxes[i].Y = Normalize.NormalizeY(XZAxes[i].Y);
normalizedYZAxes[i].X = Normalize.NormalizeX(YZAxes[i].X);
normalizedYZAxes[i].Y = Normalize.NormalizeY(YZAxes[i].Y);
}
}
public static PointF3D[] Translate3D(PointF3D[] obj, double x, double y, double z)
{
PointF3D[] TranslatedtedObj = new PointF3D[obj.Length];
obj.CopyTo(TranslatedtedObj, 0);
Matrix CurPoint;
for (int i = 0; i < TranslatedtedObj.Length; i++)
{
CurPoint = Form3DCoordsMatrix(obj[i].X, obj[i].Y, obj[i].Z);
CurPoint = Get3DTranslationMatrix(x, y, z).Multiply(CurPoint);
TranslatedtedObj[i].X = (float)CurPoint.GetElementValue(0, 0);
TranslatedtedObj[i].Y = (float)CurPoint.GetElementValue(1, 0);
TranslatedtedObj[i].Z = (float)CurPoint.GetElementValue(2, 0);
}
return(TranslatedtedObj);
}
public static PointF3D[] RotateZ3D(PointF3D[] obj, double angle, PointF3D RotationCentre)
{
PointF3D[] RotatedObj = new PointF3D[obj.Length];
obj.CopyTo(RotatedObj, 0);
RotatedObj = Translate3D(RotatedObj, -RotationCentre.X, -RotationCentre.Y, -RotationCentre.Z);
Matrix CurPoint;
for (int i = 0; i < RotatedObj.Length; i++)
{
CurPoint = Form3DCoordsMatrix(RotatedObj[i].X, RotatedObj[i].Y, RotatedObj[i].Z);
CurPoint = GetZRotation3DMatrix(angle).Multiply(CurPoint);
RotatedObj[i].X = (float)CurPoint.GetElementValue(0, 0);
RotatedObj[i].Y = (float)CurPoint.GetElementValue(1, 0);
RotatedObj[i].Z = (float)CurPoint.GetElementValue(2, 0);
}
RotatedObj = Translate3D(RotatedObj, RotationCentre.X, RotationCentre.Y, RotationCentre.Z);
return(RotatedObj);
}
public static PointF3D[] Scale3D(PointF3D[] obj, double xScal, double yScal, double zScal, PointF3D ScalingCentre)
{
PointF3D[] ScaledtedObj = new PointF3D[obj.Length];
obj.CopyTo(ScaledtedObj, 0);
ScaledtedObj = Translate3D(ScaledtedObj, -ScalingCentre.X, -ScalingCentre.Y, -ScalingCentre.Z);
Matrix CurPoint;
for (int i = 0; i < ScaledtedObj.Length; i++)
{
CurPoint = Form3DCoordsMatrix(ScaledtedObj[i].X, ScaledtedObj[i].Y, ScaledtedObj[i].Z);
CurPoint = Get3DScalingMatrix(xScal, yScal, zScal).Multiply(CurPoint);
ScaledtedObj[i].X = (float)CurPoint.GetElementValue(0, 0);
ScaledtedObj[i].Y = (float)CurPoint.GetElementValue(1, 0);
ScaledtedObj[i].Z = (float)CurPoint.GetElementValue(2, 0);
}
ScaledtedObj = Translate3D(ScaledtedObj, ScalingCentre.X, ScalingCentre.Y, ScalingCentre.Z);
return(ScaledtedObj);
}
public PointF3D[] Scale(PointF3D ScalVal, PointF3D ScalCentre)
{
return(ProjectionAffinity.Scale3D(polygons, ScalVal.X, ScalVal.Y, ScalVal.Z, ScalCentre));
}
public PointF3D[] RotateZ(float Angle, PointF3D RotCentre)
{
return(ProjectionAffinity.RotateZ3D(polygons, Angle, RotCentre));
}
public PointF3D[] Translate(PointF3D translation)
{
return(ProjectionAffinity.Translate3D(polygons, translation.X, translation.Y, translation.Z));
}
void TransformObject()
{
if (oldTransVal != TransVal)
{
if (PyramidCheck.Checked)
{
for (int i = 0; i < pyramid.Length; i++)
{
pyramid[i].polygons = pyramid[i].Translate(new PointF3D(TransVal.X - oldTransVal.X, TransVal.Y - oldTransVal.Y, TransVal.Z - oldTransVal.Z));
}
objCentre.X += TransVal.X - oldTransVal.X;
objCentre.Y += TransVal.Y - oldTransVal.Y;
objCentre.Z += TransVal.Z - oldTransVal.Z;
}
else
{
surface.ControlPoints = surface.Translate(new PointF3D(TransVal.X - oldTransVal.X, TransVal.Y - oldTransVal.Y, TransVal.Z - oldTransVal.Z));
surfaceCentre.X += TransVal.X - oldTransVal.X;
surfaceCentre.Y += TransVal.Y - oldTransVal.Y;
surfaceCentre.Z += TransVal.Z - oldTransVal.Z;
}
oldTransVal = TransVal;
}
if (OldXRotValue != XRotValue)
{
if (PyramidCheck.Checked)
{
for (int i = 0; i < pyramid.Length; i++)
{
pyramid[i].polygons = pyramid[i].RotateX(XRotValue - OldXRotValue, objCentre);
}
}
else
{
surface.ControlPoints = surface.RotateX(XRotValue - OldXRotValue, surfaceCentre);
}
OldXRotValue = XRotValue;
}
if (OldYRotValue != YRotValue)
{
if (PyramidCheck.Checked)
{
for (int i = 0; i < pyramid.Length; i++)
{
pyramid[i].polygons = pyramid[i].RotateY(YRotValue - OldYRotValue, objCentre);
}
}
else
{
surface.ControlPoints = surface.RotateY(YRotValue - OldYRotValue, surfaceCentre);
}
OldYRotValue = YRotValue;
}
if (OldZRotValue != ZRotValue)
{
if (PyramidCheck.Checked)
{
for (int i = 0; i < pyramid.Length; i++)
{
pyramid[i].polygons = pyramid[i].RotateZ(ZRotValue - OldZRotValue, objCentre);
}
}
else
{
surface.ControlPoints = surface.RotateZ(ZRotValue - OldZRotValue, surfaceCentre);
}
OldZRotValue = ZRotValue;
}
if (OldScalVal != ScalVal)
{
float curscalval = ScalVal / OldScalVal;
if (PyramidCheck.Checked)
{
for (int i = 0; i < pyramid.Length; i++)
{
pyramid[i].polygons = pyramid[i].Scale(new PointF3D(curscalval, curscalval, curscalval), objCentre);
}
}
else
{
surface.ControlPoints = surface.Scale(new PointF3D(curscalval, curscalval, curscalval), surfaceCentre);
}
OldScalVal = ScalVal;
}
}