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Cubelet.cs
431 lines (357 loc) · 15.1 KB
/
Cubelet.cs
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using System;
using CSGL12;
namespace RubikSolver
{
internal class Cubelet
{
private readonly float _sideLength;
private readonly float _roundWidth;
private int _roundSteps;
private readonly GL gl;
private readonly float[] RED = { 1, 0, 0 };
private readonly float[] YELLOW = { 1, 1, 0 };
private readonly float[] BLUE = { 0, 0, 1 };
private readonly float[] GREEN = { 0, 1, 0 };
private readonly float[] WHITE = { 1, 1, 1 };
private readonly float[] ORANGE = { 1, 0.6f, 0 };
private readonly float[][] _sides = new float[6][]; // Jagged Array
private readonly float[] _sideMaterial = new float[4];
private readonly float[] _shininess = new float[1];
private readonly float[] _bevelDiffuse = new float[4];
private readonly float[] _bevelMaterial = new float[4];
private readonly float[] _bevelShininess = new float[4];
public Cubelet(GL gl)
{
this.gl = gl;
_sideLength = 0.8f;
_roundWidth = 0.1f;
_roundSteps = 2;
_sideMaterial[0] = _sideMaterial[1] = _sideMaterial[2] = 0.15f;
_sideMaterial[3] = 1.0f;
_shininess[0] = 2; // The sides have small highlights.
_bevelDiffuse[0] = _bevelDiffuse[1] = _bevelDiffuse[2] = 0.25f;
_bevelDiffuse[3] = 1.0f;
_bevelMaterial[0] = _bevelMaterial[1] = _bevelMaterial[2] = 1.0f;
_bevelMaterial[3] = 1.0f;
_bevelShininess[0] = 115f;
_sides[0] = RED;
_sides[1] = YELLOW;
_sides[2] = BLUE;
_sides[3] = GREEN;
_sides[4] = WHITE;
_sides[5] = ORANGE;
}
/// <summary>
/// Draw corners
/// </summary>
private void DrawConers()
{
double step = Math.PI/2/_roundSteps;
double v, w, vv, ww;
gl.glBegin(GL.GL_QUADS);
gl.glColor3f(0, 0, 0);
for (int i = 0; i < _roundSteps; i++)
{
v = i*step;
vv = (i + 1)*step;
for (int j = 0; j < _roundSteps; j++)
{
w = j*step;
ww = (j + 1)*step;
gl.glNormal3f((float)Math.Cos(v) * (float)Math.Cos(w), (float)Math.Cos(v) * (float)Math.Sin(w), (float)Math.Sin(v));
gl.glVertex3f((float)Math.Cos(v) * (float)Math.Cos(w) * _roundWidth,
(float)Math.Cos(v) * (float)Math.Sin(w) * _roundWidth,
(float)Math.Sin(v) * _roundWidth);
gl.glNormal3f((float)Math.Cos(vv) * (float)Math.Cos(w), (float)Math.Cos(vv) * (float)Math.Sin(w), (float)Math.Sin(vv));
gl.glVertex3f((float)Math.Cos(vv) * (float)Math.Cos(w) * _roundWidth,
(float)Math.Cos(vv) * (float)Math.Sin(w) * _roundWidth,
(float)Math.Sin(vv) * _roundWidth);
gl.glNormal3f((float)Math.Cos(vv) * (float)Math.Cos(ww), (float)Math.Cos(vv) * (float)Math.Sin(ww), (float)Math.Sin(vv));
gl.glVertex3f((float)Math.Cos(vv) * (float)Math.Cos(ww) * _roundWidth,
(float)Math.Cos(vv) * (float)Math.Sin(ww) * _roundWidth,
(float)Math.Sin(vv) * _roundWidth);
gl.glNormal3f((float)Math.Cos(v) * (float)Math.Cos(ww), (float)Math.Cos(v) * (float)Math.Sin(ww), (float)Math.Sin(v));
gl.glVertex3f((float)Math.Cos(v) * (float)Math.Cos(ww) * _roundWidth,
(float)Math.Cos(v) * (float)Math.Sin(ww) * _roundWidth,
(float)Math.Sin(v) * _roundWidth);
}
}
gl.glEnd();
}
/// <summary>
/// Draw edges
/// </summary>
private void DrawEdges()
{
double _step = Math.PI/2/_roundSteps;
double v, vv;
gl.glBegin(GL.GL_QUADS);
gl.glColor3f(0, 0, 0);
for (int i = 0; i < _roundSteps; i++)
{
v = i*_step;
vv = (i + 1)*_step;
gl.glNormal3f((float)Math.Cos(v), (float)Math.Sin(v), 0);
gl.glVertex3f((float)Math.Cos(v) * _roundWidth, (float)Math.Sin(v) * _roundWidth, _sideLength / 2);
gl.glVertex3f((float)Math.Cos(v) * _roundWidth, (float)Math.Sin(v) * _roundWidth, -_sideLength / 2);
gl.glNormal3f((float)Math.Cos(vv), (float)Math.Sin(vv), 0);
gl.glVertex3f((float)Math.Cos(vv) * _roundWidth, (float)Math.Sin(vv) * _roundWidth, -_sideLength / 2);
gl.glVertex3f((float)Math.Cos(vv) * _roundWidth, (float)Math.Sin(vv) * _roundWidth, _sideLength / 2);
}
gl.glEnd();
}
/// <summary>
/// Render a cubelet
/// </summary>
public void Render()
{
gl.glPushMatrix();
#region Draw sides
// Draw the side
gl.glMaterialfv(GL.GL_FRONT, GL.GL_SPECULAR, _sideMaterial);
gl.glMaterialfv(GL.GL_FRONT, GL.GL_SHININESS, _shininess);
gl.glBegin(GL.GL_QUADS);
// The right
gl.glColor3fv(RED);
gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT_AND_DIFFUSE, RED);
gl.glNormal3f(1, 0, 0);
gl.glVertex3f(_sideLength / 2 + _roundWidth, _sideLength / 2, _sideLength / 2);
gl.glVertex3f(_sideLength / 2 + _roundWidth, _sideLength / 2, -_sideLength / 2);
gl.glVertex3f(_sideLength / 2 + _roundWidth, -_sideLength / 2, -_sideLength / 2);
gl.glVertex3f(_sideLength / 2 + _roundWidth, -_sideLength / 2, _sideLength / 2);
// The top
gl.glColor3fv(YELLOW);
gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT_AND_DIFFUSE, YELLOW);
gl.glNormal3f(0, 1, 0);
gl.glVertex3f(-_sideLength / 2, _sideLength / 2 + _roundWidth, -_sideLength / 2);
gl.glVertex3f(-_sideLength / 2, _sideLength / 2 + _roundWidth, _sideLength / 2);
gl.glVertex3f(_sideLength / 2, _sideLength / 2 + _roundWidth, _sideLength / 2);
gl.glVertex3f(_sideLength / 2, _sideLength / 2 + _roundWidth, -_sideLength / 2);
//The front
gl.glColor3fv(BLUE);
gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT_AND_DIFFUSE, BLUE);
gl.glNormal3f(0, 0, 1);
gl.glVertex3f(_sideLength / 2, _sideLength / 2, _sideLength / 2 + _roundWidth);
gl.glVertex3f(-_sideLength / 2, _sideLength / 2, _sideLength / 2 + _roundWidth);
gl.glVertex3f(-_sideLength / 2, -_sideLength / 2, _sideLength / 2 + _roundWidth);
gl.glVertex3f(_sideLength / 2, -_sideLength / 2, _sideLength / 2 + _roundWidth);
// The back
gl.glColor3fv(GREEN);
gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT_AND_DIFFUSE, GREEN);
gl.glNormal3f(0, 0, -1);
gl.glVertex3f(_sideLength / 2, _sideLength / 2, -_sideLength / 2 - _roundWidth);
gl.glVertex3f(-_sideLength / 2, _sideLength / 2, -_sideLength / 2 - _roundWidth);
gl.glVertex3f(-_sideLength / 2, -_sideLength / 2, -_sideLength / 2 - _roundWidth);
gl.glVertex3f(_sideLength / 2, -_sideLength / 2, -_sideLength / 2 - _roundWidth);
//The bottom
gl.glColor3fv(WHITE);
gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT_AND_DIFFUSE, WHITE);
gl.glNormal3f(0, -1, 0);
gl.glVertex3f(-_sideLength / 2, -_sideLength / 2 - _roundWidth, -_sideLength / 2);
gl.glVertex3f(-_sideLength / 2, -_sideLength / 2 - _roundWidth, _sideLength / 2);
gl.glVertex3f(_sideLength / 2, -_sideLength / 2 - _roundWidth, _sideLength / 2);
gl.glVertex3f(_sideLength / 2, -_sideLength / 2 - _roundWidth, -_sideLength / 2);
//The left
gl.glColor3fv(ORANGE);
gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT_AND_DIFFUSE, ORANGE);
gl.glNormal3f(-1, 0, 0);
gl.glVertex3f(-_sideLength / 2 - _roundWidth, _sideLength / 2, _sideLength / 2);
gl.glVertex3f(-_sideLength / 2 - _roundWidth, _sideLength / 2, -_sideLength / 2);
gl.glVertex3f(-_sideLength / 2 - _roundWidth, -_sideLength / 2, -_sideLength / 2);
gl.glVertex3f(-_sideLength / 2 - _roundWidth, -_sideLength / 2, _sideLength / 2);
gl.glEnd();
#endregion
#region Draw bevels
gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT_AND_DIFFUSE, _bevelDiffuse);
gl.glMaterialfv(GL.GL_FRONT, GL.GL_SPECULAR, _bevelMaterial);
gl.glMaterialfv(GL.GL_FRONT, GL.GL_SHININESS, _bevelShininess);
// Upper, Right, Back Conner
gl.glTranslatef(_sideLength / 2, _sideLength / 2, _sideLength / 2);
DrawConers();
// Upper, Left, Back Conner
gl.glTranslatef(-_sideLength, 0, 0);
gl.glRotatef(90, 0, 0, 1);
DrawConers();
gl.glRotatef(-90, 0, 0, 1);
// Lower, Left, Back Conner
gl.glTranslatef(0, -_sideLength, 0);
gl.glRotatef(180, 0, 0, 1);
DrawConers();
gl.glRotatef(-180, 0, 0, 1);
// Lower, Right, Back Conner
gl.glTranslatef(_sideLength, 0, 0);
gl.glRotatef(270, 0, 0, 1);
DrawConers();
gl.glRotatef(-270, 0, 0, 1);
// Upper, Right, Front Conner
gl.glTranslatef(0, _sideLength, -_sideLength);
gl.glRotatef(90, 0, 1, 0);
DrawConers();
gl.glRotatef(-90, 0, 1, 0);
// Upper, Left, Front Conner
gl.glTranslatef(-_sideLength, 0, 0);
gl.glRotatef(180, 0, 1, 0);
DrawConers();
gl.glRotatef(-180, 0, 1, 0);
// Lower, Left, Front Conner
gl.glTranslatef(0, -_sideLength, 0);
gl.glRotatef(180, 0, 1, 0);
gl.glRotatef(90, 1, 0, 0);
DrawConers();
gl.glRotatef(-90, 1, 0, 0);
gl.glRotatef(-180, 0, 1, 0);
// Lower, Right, Front Conner
gl.glTranslatef(_sideLength, 0, 0);
gl.glRotatef(180, 1, 0, 0);
DrawConers();
gl.glRotatef(-180, 1, 0, 0);
#endregion
#region Draw edges
gl.glTranslatef(0, _sideLength, _sideLength / 2);
DrawEdges();
gl.glTranslatef(-_sideLength, 0, 0);
gl.glRotatef(90, 0, 0, 1);
DrawEdges();
gl.glRotatef(-90, 0, 0, 1);
gl.glTranslatef(0, -_sideLength, 0);
gl.glRotatef(180, 0, 0, 1);
DrawEdges();
gl.glRotatef(-180, 0, 0, 1);
gl.glTranslatef(_sideLength, 0, 0);
gl.glRotatef(270, 0, 0, 1);
DrawEdges();
gl.glRotatef(-270, 0, 0, 1);
gl.glTranslatef(0, _sideLength / 2, _sideLength / 2);
gl.glRotatef(90, 1, 0, 0);
DrawEdges();
gl.glTranslatef(-_sideLength, 0, 0);
gl.glRotatef(90, 0, 0, 1);
DrawEdges();
gl.glTranslatef(-_sideLength, 0, 0);
gl.glRotatef(90, 0, 0, 1);
DrawEdges();
gl.glTranslatef(-_sideLength, 0, 0);
gl.glRotatef(90, 0, 0, 1);
DrawEdges();
gl.glRotatef(-90, 1, 0, 0);
gl.glTranslatef(0, _sideLength / 2, -_sideLength / 2);
DrawEdges();
gl.glTranslatef(-_sideLength, 0, 0);
gl.glRotatef(90, 0, 0, 1);
DrawEdges();
gl.glTranslatef(-_sideLength, 0, 0);
gl.glRotatef(90, 0, 0, 1);
DrawEdges();
gl.glTranslatef(-_sideLength, 0, 0);
gl.glRotatef(90, 0, 0, 1);
DrawEdges();
#endregion
gl.glPopMatrix();
}
private void CopyColor(float[] dest, float[] src)
{
dest[0] = src[0];
dest[1] = src[1];
dest[2] = src[2];
}
private void RotateColors(int a, int b, int c, int d)
{
float[] tmp = new float[3];
CopyColor(tmp, _sides[a]);
CopyColor(_sides[a], _sides[b]);
CopyColor(_sides[b], _sides[c]);
CopyColor(_sides[c], _sides[d]);
CopyColor(_sides[d], tmp);
}
/// <summary>
/// Rotate cubelet clockwise
/// </summary>
/// <param name="axis">1: X axis - 2: Y axis - 3: Z axis</param>
public void RotateCW(int axis)
{
switch (axis)
{
case 1:
RotateColors(3, 4, 2, 1);
break;
case 2:
RotateColors(0, 2, 5, 3);
break;
case 3:
RotateColors(0, 4, 5, 1);
break;
}
}
/// <summary>
/// Rotate cubelet counter clockwise
/// </summary>
/// <param name="axis">1: X axis - 2: Y axis - 3: Z axis</param>
public void RotateCCW(int axis)
{
switch (axis)
{
case 1:
RotateColors(1, 2, 4, 3);
break;
case 2:
RotateColors(3, 5, 2, 0);
break;
case 3:
RotateColors(1, 5, 4, 0);
break;
}
}
public void Reset()
{
for (int i = 0; i < 6; i++)
{
_sides[i][0] = _sides[i][1] = _sides[i][2] = 0.25f;
}
}
public void SetColor(int face, int color)
{
switch (color)
{
case 1:// yellow
_sides[face][0] = 1;
_sides[face][1] = 1;
_sides[face][2] = 0;
break;
case 2:// blue
_sides[face][0] = 0;
_sides[face][1] = 0;
_sides[face][2] = 1;
break;
case 3:// red
_sides[face][0] = 1;
_sides[face][1] = 0;
_sides[face][2] = 0;
break;
case 4:// orange
_sides[face][0] = 1;
_sides[face][1] = 0.5f;
_sides[face][2] = 0;
break;
case 5:// green
_sides[face][0] = 0;
_sides[face][1] = 1;
_sides[face][2] = 0;
break;
case 6:// white
_sides[face][0] = 1;
_sides[face][1] = 1;
_sides[face][2] = 1;
break;
}
}
public void Copy(Cubelet src)
{
for (int i = 0; i < 6; i++)
{
_sides[i][0] = src._sides[i][0];
_sides[i][1] = src._sides[i][1];
_sides[i][2] = src._sides[i][2];
}
}
}
}