| private glNormal3f ( float nx, float ny, float nz ) : void | ||
| nx | float | |
| ny | float | |
| nz | float | |
| return | void | |
private void drawGyroCube()
{
GL.glColor3f(1.0f, 1.0f, 1.0f);
GL.glEnable(GL.GL_TEXTURE_2D);
GL.glBindTexture(GL.GL_TEXTURE_2D, m_textureList[2]);
GL.glNormal3f(-1, 0, 0);
drawSquareSurface(0, CubeHeight, CubeDepth, eAxis.X);
GL.glBindTexture(GL.GL_TEXTURE_2D, m_textureList[0]);
GL.glNormal3f(1, 0, 0);
drawSquareSurface(CubeWidth, CubeHeight, CubeDepth, eAxis.X);
GL.glBindTexture(GL.GL_TEXTURE_2D, m_textureList[3]);
GL.glNormal3f(0, 0, -1);
drawSquareSurface(CubeWidth, CubeHeight, 0, eAxis.Z);
GL.glBindTexture(GL.GL_TEXTURE_2D, m_textureList[1]);
GL.glNormal3f(0, 0, 1);
drawSquareSurface(CubeWidth, CubeHeight, CubeDepth, eAxis.Z);
drawSquareSurface(CubeWidth, 0, CubeDepth, eAxis.Y);
GL.glNormal3f(0, -1, 0);
drawSquareSurface(CubeWidth, CubeHeight, CubeDepth, eAxis.Y);
GL.glNormal3f(0, 1, 0);
GL.glDisable(GL.GL_TEXTURE_2D);
}
void drawFloor()
{
GL.glEnable(GL.GL_LIGHTING);
GL.glPushMatrix();
GL.glColor3d(0, 1, 0);
GL.glTranslated(0, -0.01, 0);
float[] grass_ambuse = { 0.03f, 0.56f, 0.19f, 1.0f };
float[] grass_specular = { 0.0f, 0.0f, 0.0f, 1.0f };
float[] grass_shininess = { 10 };
GL.glMaterialfv(GL.GL_FRONT_AND_BACK, GL.GL_AMBIENT_AND_DIFFUSE, grass_ambuse);
GL.glMaterialfv(GL.GL_FRONT_AND_BACK, GL.GL_SPECULAR, grass_specular);
GL.glMaterialfv(GL.GL_FRONT_AND_BACK, GL.GL_SHININESS, grass_shininess);
GL.glBegin(GL.GL_QUADS);
GL.glNormal3f(0, 1, 0);
GL.glVertex3f(-200, 0, -200);
GL.glVertex3f(-200, 0, 200);
GL.glVertex3f(200, 0, 200);
GL.glVertex3f(200, 0, -200);
GL.glEnd();
GL.glDisable(GL.GL_LIGHTING);
GL.glPopMatrix();
}
void DrawGrid(float gridsize)
{
//floor texture
GL.glEnable(GL.GL_TEXTURE_2D);
GL.glBindTexture(GL.GL_TEXTURE_2D, Textures[0]);
GL.glBegin(GL.GL_QUADS);
GL.glColor3f(1f, 1f, 1f);//white clear
//left side
GL.glNormal3f(0.0f, 1.0f, 0.0f);
GL.glTexCoord2f(0, 0);
GL.glVertex3f(0, 0, 0);
GL.glTexCoord2f(0, 1);
GL.glVertex3f(-gridsize, 0, 0);
GL.glTexCoord2f(1f, 1f);
GL.glVertex3f(-gridsize, 0, -gridsize * 2);
GL.glTexCoord2f(1f, 0);
GL.glVertex3f(0, 0, -gridsize * 2);
//right side
GL.glNormal3f(0.0f, 1.0f, 0.0f);
GL.glTexCoord2f(0, 0);
GL.glVertex3f(0, 0, 0);
GL.glTexCoord2f(0, 1);
GL.glVertex3f(gridsize, 0, 0);
GL.glTexCoord2f(1f, 1f);
GL.glVertex3f(gridsize, 0, -gridsize * 2);
GL.glTexCoord2f(1f, 0);
GL.glVertex3f(0, 0, -gridsize * 2);
GL.glEnd();
GL.glDisable(GL.GL_TEXTURE_2D);
}
void DrawGrid(float gridsize, bool sky)
{
float h = 0;
//floor texture
GL.glEnable(GL.GL_TEXTURE_2D);
if (sky)
{
GL.glBindTexture(GL.GL_TEXTURE_2D, Textures[6]);
}
else
{
GL.glBindTexture(GL.GL_TEXTURE_2D, Textures[0]);
}
GL.glBegin(GL.GL_QUADS);
GL.glColor3f(1f, 1f, 1f);//white clear
//left side
if (sky)
{
h = 10;
GL.glNormal3f(0.0f, -1.0f, 0.0f);
}
else
{
GL.glNormal3f(0.0f, 1.0f, 0.0f);
}
GL.glTexCoord2f(0, 0);
GL.glVertex3f(0, h, 0);
GL.glTexCoord2f(0, 1);
GL.glVertex3f(-gridsize, h, 0);
GL.glTexCoord2f(1f, 1f);
GL.glVertex3f(-gridsize, h, -gridsize * 2);
GL.glTexCoord2f(1f, 0);
GL.glVertex3f(0, h, -gridsize * 2);
//right side
if (sky)
{
GL.glNormal3f(0.0f, -1.0f, 0.0f);
}
else
{
GL.glNormal3f(0.0f, 1.0f, 0.0f);
}
GL.glTexCoord2f(0, 0);
GL.glVertex3f(0, h, 0);
GL.glTexCoord2f(0, 1);
GL.glVertex3f(gridsize, h, 0);
GL.glTexCoord2f(1f, 1f);
GL.glVertex3f(gridsize, h, -gridsize * 2);
GL.glTexCoord2f(1f, 0);
GL.glVertex3f(0, h, -gridsize * 2);
GL.glEnd();
GL.glDisable(GL.GL_TEXTURE_2D);
}
public void Drawfloor()
{
GL.glPushMatrix();
GL.glColor3f(0.0f, 1.0f, 0.0f);
GL.glTranslatef(0, -0.001f, 0);
GL.glBegin(GL.GL_QUADS);
GL.glNormal3f(0, 1, 0);
GL.glVertex3f(-100, 0, -100);
GL.glVertex3f(-100, 0, 100);
GL.glVertex3f(100, 0, 100);
GL.glVertex3f(100, 0, -100);
GL.glEnd();
GL.glPopMatrix();
}
public void createLeafList()
{
GL.glNewList(LEAF_LIST + currentTree, GL.GL_COMPILE);
GL.glBegin(GL.GL_TRIANGLES);
GL.glNormal3f(-0.1f, 0, leafScale);
GL.glVertex3f(0, 0, 0);
GL.glVertex3f(leafScale, leafScale, 0.1f);
GL.glVertex3f(0, leafScale * 2, 0);
GL.glNormal3f(0.1f, 0, leafScale);
GL.glVertex3f(0, 0, 0);
GL.glVertex3f(0, leafScale * 2, 0);
GL.glVertex3f(leafScale, leafScale, 0.1f);
GL.glEnd();
GL.glEndList();
}
void drawFloorTextured()
{
GL.glEnable(GL.GL_TEXTURE_2D);
GL.glDisable(GL.GL_BLEND);
GL.glColor3d(1, 1, 1);
GL.glDisable(GL.GL_LIGHTING);
GL.glBindTexture(GL.GL_TEXTURE_2D, Textures[5]);
GL.glBegin(GL.GL_QUADS);
GL.glNormal3f(0, 1, 0);
GL.glTexCoord2f(0.0f, 0.0f); GL.glVertex3f(-200, -0.01f, 200);
GL.glTexCoord2f(1.0f, 0.0f); GL.glVertex3f(200, -0.01f, 200);
GL.glTexCoord2f(1.0f, 1.0f); GL.glVertex3f(200, -0.01f, -200);
GL.glTexCoord2f(0.0f, 1.0f); GL.glVertex3f(-200, -0.01f, -200);
GL.glEnd();
GL.glDisable(GL.GL_TEXTURE_2D);
GL.glEnable(GL.GL_BLEND);
GL.glEnable(GL.GL_LIGHTING);
}
void drawground()
{
{
GL.glBindTexture(GL.GL_TEXTURE_2D, TextureGround[0]);
GL.glNormal3f(0.0f, -1.0f, 0.0f);
GL.glBegin(GL.GL_QUADS);
GL.glTexCoord2f(0.0f, 0.0f);
GL.glVertex3d(-20, -20, ground[0, 2] - 0.05);
GL.glTexCoord2f(1.0f, 0.0f);
GL.glVertex3d(-20, 20, ground[0, 2] - 0.05);
GL.glTexCoord2f(1.0f, 1.0f);
GL.glVertex3d(20, 20, ground[0, 2] - 0.05);
GL.glTexCoord2f(0.0f, 1.0f);
GL.glVertex3d(20, -20, ground[0, 2] - 0.05);
GL.glColor3f(0, 0, 0);
GL.glEnd();
}
}
/// <summary>
/// Draws a doughnut.
/// </summary>
/// <param name="r">The inner radius.</param>
/// <param name="R">The outer radius.</param>
/// <param name="nsides">The number of sides.</param>
/// <param name="rings">The number of rings.</param>
private static void Doughnut(float r, float R, int nsides, int rings)
{
float theta, phi, theta1;
float cosTheta, sinTheta;
float cosTheta1, sinTheta1;
float ringDelta, sideDelta;
ringDelta = 2.0f * M_PI / rings;
sideDelta = 2.0f * M_PI / nsides;
theta = 0.0f;
cosTheta = 1.0f;
sinTheta = 0.0f;
for (int i = rings - 1; i >= 0; i--)
{
theta1 = theta + ringDelta;
cosTheta1 = (float)Math.Cos(theta1);
sinTheta1 = (float)Math.Sin(theta1);
GL.glBegin(GL.GL_QUAD_STRIP);
phi = 0.0f;
for (int j = nsides; j >= 0; j--)
{
float cosPhi, sinPhi, dist;
phi += sideDelta;
cosPhi = (float)Math.Cos(phi);
sinPhi = (float)Math.Sin(phi);
dist = R + r * cosPhi;
GL.glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi);
GL.glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi);
GL.glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi);
GL.glVertex3f(cosTheta * dist, -sinTheta * dist, r * sinPhi);
}
GL.glEnd();
theta = theta1;
cosTheta = cosTheta1;
sinTheta = sinTheta1;
}
}
// --- Private Methods ---
#region DrawBox(float size, uint type)
/// <summary>
/// Draws a box.
/// </summary>
/// <param name="size">The size of the box.</param>
/// <param name="type">The type of drawing to do.</param>
private static void DrawBox(float size, uint type)
{
float[ , ] v = new float[8, 3];
v[0, 0] = v[1, 0] = v[2, 0] = v[3, 0] = -size / 2;
v[4, 0] = v[5, 0] = v[6, 0] = v[7, 0] = size / 2;
v[0, 1] = v[1, 1] = v[4, 1] = v[5, 1] = -size / 2;
v[2, 1] = v[3, 1] = v[6, 1] = v[7, 1] = size / 2;
v[0, 2] = v[3, 2] = v[4, 2] = v[7, 2] = -size / 2;
v[1, 2] = v[2, 2] = v[5, 2] = v[6, 2] = size / 2;
for (int i = 5; i >= 0; i--)
{
GL.glBegin(type);
GL.glNormal3f(n[i, 0], n[i, 1], n[i, 2]);
GL.glVertex3f(v[faces[i, 0], 0], v[faces[i, 0], 1], v[faces[i, 0], 2]);
GL.glVertex3f(v[faces[i, 1], 0], v[faces[i, 1], 1], v[faces[i, 1], 2]);
GL.glVertex3f(v[faces[i, 2], 0], v[faces[i, 2], 1], v[faces[i, 2], 2]);
GL.glVertex3f(v[faces[i, 3], 0], v[faces[i, 3], 1], v[faces[i, 3], 2]);
GL.glEnd();
}
}
private static void Pentagon(int a, int b, int c, int d, int e, uint shadeType)
{
float[] n0 = new float[3];
float[] d1 = new float[3];
float[] d2 = new float[3];
float[] da = { dodec[a, 0], dodec[a, 1], dodec[a, 2] };
float[] db = { dodec[b, 0], dodec[b, 1], dodec[b, 2] };
float[] dc = { dodec[c, 0], dodec[c, 1], dodec[c, 2] };
DIFF3(da, db, d1);
DIFF3(db, dc, d2);
CrossProduct(d1, d2, n0);
Normalize(n0);
GL.glBegin(shadeType);
GL.glNormal3f(n0[0], n0[1], n0[2]);
GL.glVertex3f(dodec[a, 0], dodec[a, 1], dodec[a, 2]);
GL.glVertex3f(dodec[b, 0], dodec[b, 1], dodec[b, 2]);
GL.glVertex3f(dodec[c, 0], dodec[c, 1], dodec[c, 2]);
GL.glVertex3f(dodec[d, 0], dodec[d, 1], dodec[d, 2]);
GL.glVertex3f(dodec[e, 0], dodec[e, 1], dodec[e, 2]);
GL.glEnd();
}
private void drawGyroPyramid()
{
GL.glPushMatrix();
GL.glScalef(1.0f, -1.0f, 1.0f); // scale the position to draw the pyramid at vertical inversion
drawSquareSurface(PyramidWidth, 0.0f, PyramidDepth, eAxis.Y);
GL.glBegin(GL.GL_TRIANGLES);
// first x axis
GL.glNormal3f(-0.81373f, 0.58124f, 0);
GL.glVertex3f(0.0f, 0.0f, 0.0f);
GL.glVertex3f(PyramidWidth / 2, PyramidHeight, PyramidDepth / 2);
GL.glVertex3f(0.0f, 0.0f, PyramidDepth);
// second x axis
GL.glNormal3f(0.81373f, 0.58124f, 0);
GL.glVertex3f(PyramidWidth, 0.0f, 0.0f);
GL.glVertex3f(PyramidWidth / 2, PyramidHeight, PyramidDepth / 2);
GL.glVertex3f(PyramidWidth, 0.0f, PyramidDepth);
// first Z axis
GL.glNormal3f(0, 0.58124f, -0.81373f);
GL.glVertex3f(0.0f, 0.0f, 0.0f);
GL.glVertex3f(PyramidWidth / 2, PyramidHeight, PyramidDepth / 2);
GL.glVertex3f(PyramidWidth, 0.0f, 0.0f);
// second Z axis
GL.glNormal3f(0, 0.58124f, 0.81373f);
GL.glVertex3f(0.0f, 0.0f, PyramidDepth);
GL.glVertex3f(PyramidWidth / 2, PyramidHeight, PyramidDepth / 2);
GL.glVertex3f(PyramidWidth, 0.0f, PyramidDepth);
GL.glEnd();
GL.glPopMatrix();
}
public void DrawTexturedCube()
{
GL.glScaled(55, 55, 55);
{
// front
GL.glBindTexture(GL.GL_TEXTURE_2D, Textures[0]);
GL.glBegin(GL.GL_QUADS);
GL.glNormal3f(0.0f, 0.0f, 1.0f);
GL.glTexCoord2f(0.0f, 0.0f);
GL.glVertex3f(-1.0f, -1.0f, 1.0f);
GL.glTexCoord2f(1.0f, 0.0f);
GL.glVertex3f(1.0f, -1.0f, 1.0f);
GL.glTexCoord2f(1.0f, 1.0f);
GL.glVertex3f(1.0f, 1.0f, 1.0f);
GL.glTexCoord2f(0.0f, 1.0f);
GL.glVertex3f(-1.0f, 1.0f, 1.0f);
GL.glEnd();
// back
GL.glBindTexture(GL.GL_TEXTURE_2D, Textures[1]);
GL.glBegin(GL.GL_QUADS);
GL.glNormal3f(0.0f, 0.0f, -1.0f);
GL.glTexCoord2f(0.0f, 0.0f); GL.glVertex3f(1.0f, -1.0f, -1.0f);
GL.glTexCoord2f(1.0f, 0.0f); GL.glVertex3f(-1.0f, -1.0f, -1.0f);
GL.glTexCoord2f(1.0f, 1.0f); GL.glVertex3f(-1.0f, 1.0f, -1.0f);
GL.glTexCoord2f(0.0f, 1.0f); GL.glVertex3f(1.0f, 1.0f, -1.0f);
GL.glEnd();
// left
GL.glBindTexture(GL.GL_TEXTURE_2D, Textures[2]);
GL.glBegin(GL.GL_QUADS);
GL.glNormal3f(-1.0f, 0.0f, 0.0f);
GL.glTexCoord2f(0.0f, 0.0f); GL.glVertex3f(-1.0f, -1.0f, -1.0f);
GL.glTexCoord2f(1.0f, 0.0f); GL.glVertex3f(-1.0f, -1.0f, 1.0f);
GL.glTexCoord2f(1.0f, 1.0f); GL.glVertex3f(-1.0f, 1.0f, 1.0f);
GL.glTexCoord2f(0.0f, 1.0f); GL.glVertex3f(-1.0f, 1.0f, -1.0f);
GL.glEnd();
// right
GL.glBindTexture(GL.GL_TEXTURE_2D, Textures[3]);
GL.glBegin(GL.GL_QUADS);
GL.glNormal3f(1.0f, 0.0f, 0.0f);
GL.glTexCoord2f(0.0f, 0.0f); GL.glVertex3f(1.0f, -1.0f, 1.0f);
GL.glTexCoord2f(1.0f, 0.0f); GL.glVertex3f(1.0f, -1.0f, -1.0f);
GL.glTexCoord2f(1.0f, 1.0f); GL.glVertex3f(1.0f, 1.0f, -1.0f);
GL.glTexCoord2f(0.0f, 1.0f); GL.glVertex3f(1.0f, 1.0f, 1.0f);
GL.glEnd();
// top
GL.glBindTexture(GL.GL_TEXTURE_2D, Textures[4]);
GL.glBegin(GL.GL_QUADS);
GL.glNormal3f(0.0f, 1.0f, 0.0f);
GL.glTexCoord2f(0.0f, 0.0f); GL.glVertex3f(-1.0f, 1.0f, 1.0f);
GL.glTexCoord2f(1.0f, 0.0f); GL.glVertex3f(1.0f, 1.0f, 1.0f);
GL.glTexCoord2f(1.0f, 1.0f); GL.glVertex3f(1.0f, 1.0f, -1.0f);
GL.glTexCoord2f(0.0f, 1.0f); GL.glVertex3f(-1.0f, 1.0f, -1.0f);
GL.glEnd();
// bottom
GL.glBindTexture(GL.GL_TEXTURE_2D, Textures[5]);
GL.glBegin(GL.GL_QUADS);
GL.glNormal3f(0.0f, -1.0f, 0.0f);
GL.glTexCoord2f(0.0f, 0.0f); GL.glVertex3f(-1.0f, -1.0f, -1.0f);
GL.glTexCoord2f(1.0f, 0.0f); GL.glVertex3f(1.0f, -1.0f, -1.0f);
GL.glTexCoord2f(1.0f, 1.0f); GL.glVertex3f(1.0f, -1.0f, 1.0f);
GL.glTexCoord2f(0.0f, 1.0f); GL.glVertex3f(-1.0f, -1.0f, 1.0f);
GL.glEnd();
}
}
