public void ResetOpenGL(SharpGL.OpenGL gl,int width,int height)
{
gl.Viewport(0, 0, width, height);
gl.Color(1.0, 1.0, 1.0, 1.0); // reset gl color
gl.MatrixMode(MatrixMode.Projection);
gl.LoadIdentity();
gl.Ortho(0, width, height, 0, -10, 10);
gl.MatrixMode(MatrixMode.Modelview);
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
gl.LoadIdentity();
}
public static void Draw3DInformation(SharpGL.OpenGL gl_object, float[] X, float[] Y, float[] Z)
{
double MaxDistance = 0;
double r = 0, g = 0, b = 0;
gl_object.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
gl_object.LoadIdentity();
gl_object.Translate(_LX, _LY, _LZ);
gl_object.Rotate(_RoX, 0.0, 1.0, 0.0);
gl_object.Rotate(_RoY, 1.0, 0.0, 0.0);
gl_object.Rotate(_RoZ, 0.0, 0.0, 1.0);
//畫光達自己的位置
gl_object.Begin(OpenGL.GL_TRIANGLES);
gl_object.Color(1.0, 1.0, 1.0);
gl_object.Vertex(-0.2, -0.15, 0);
gl_object.Vertex(0, 0.2, 0);
gl_object.Vertex(0.2, -0.15, 0);
gl_object.End();
drawAxis_3D(gl_object);
//畫D場景
gl_object.Begin(OpenGL.GL_POINTS);
for (int i = 0; i < 23040; i++)
{
if (X[i] != 0 && Y[i] != 0 && Z[i] != 0)
{
//用XY距離計算顯示顏色
double XYDistance = Math.Sqrt(X[i] * X[i] + Y[i] * Y[i]);
if (XYDistance > MaxDistance) MaxDistance = XYDistance;
if (XYDistance > 10) XYDistance = 10;
XYDistance = XYDistance / 10 * (360 - 30) + 30;
HsvToRgb(XYDistance, 1, 1, out r, out g, out b);
gl_object.Color(r, g, b);
//畫上點座標
gl_object.Vertex(X[i], Y[i], Z[i]);
}
}
gl_object.End();
gl_object.Flush();
}
public static void drawAxis_3D(SharpGL.OpenGL gl_object)
{
gl_object.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
gl_object.LoadIdentity();
gl_object.Translate(_LX, _LY, _LZ);
gl_object.Rotate(_RoX, 0.0, 1.0, 0.0);
gl_object.Rotate(_RoY, 1.0, 0.0, 0.0);
gl_object.Rotate(_RoZ, 0.0, 0.0, 1.0);
//畫Z軸
gl_object.Color(1.0, 1.0, 1.0);
gl_object.Begin(OpenGL.GL_TRIANGLE_STRIP);
gl_object.Vertex(-0.02, -0.02, -0.02);
gl_object.Vertex(-0.02, -0.02, 10);
gl_object.Vertex(0.02, -0.02, -0.02);
gl_object.Vertex(0.02, -0.02, 10);
gl_object.Vertex(0.02, 0.02, -0.02);
gl_object.Vertex(0.02, 0.02, 10);
gl_object.Vertex(-0.02, 0.02, -0.02);
gl_object.Vertex(-0.02, 0.02, 10);
gl_object.Vertex(-0.02, -0.02, -0.02);
gl_object.Vertex(-0.02, -0.02, 10);
gl_object.End();
//up
gl_object.Begin(OpenGL.GL_TRIANGLE_STRIP);
gl_object.Vertex(-0.02, -0.02, 10);
gl_object.Vertex(0.02, -0.02, 10);
gl_object.Vertex(-0.02, 0.02, 10);
gl_object.Vertex(0.02, 0.02, 10);
gl_object.End();
//down
gl_object.Begin(OpenGL.GL_TRIANGLE_STRIP);
gl_object.Vertex(-0.02, -0.02, -0.02);
gl_object.Vertex(0.02, -0.02, -0.02);
gl_object.Vertex(-0.02, 0.02, -0.02);
gl_object.Vertex(0.02, 0.02, -0.02);
gl_object.End();
//畫X軸
gl_object.Color(0, 1.0, 0);
gl_object.Begin(OpenGL.GL_TRIANGLE_STRIP);
gl_object.Vertex(0.02, -0.02, -0.02);
gl_object.Vertex(10, -0.02, -0.02);
gl_object.Vertex(0.02, 0.02, -0.02);
gl_object.Vertex(10, 0.02, -0.02);
gl_object.Vertex(0.02, 0.02, 0.02);
gl_object.Vertex(10, 0.02, 0.02);
gl_object.Vertex(0.02, -0.02, 0.02);
gl_object.Vertex(10, -0.02, 0.02);
gl_object.Vertex(0.02, -0.02, -0.02);
gl_object.Vertex(10, -0.02, -0.02);
gl_object.End();
//up
gl_object.Begin(OpenGL.GL_TRIANGLE_STRIP);
gl_object.Vertex(10, -0.02, -0.02);
gl_object.Vertex(10, 0.02, -0.02);
gl_object.Vertex(10, -0.02, 0.02);
gl_object.Vertex(10, 0.02, 0.02);
gl_object.End();
//down
gl_object.Begin(OpenGL.GL_TRIANGLE_STRIP);
gl_object.Vertex(0.02, -0.02, -0.02);
gl_object.Vertex(0.02, 0.02, -0.02);
gl_object.Vertex(0.02, -0.02, 0.02);
gl_object.Vertex(0.02, 0.02, 0.02);
gl_object.End();
//畫Y軸
gl_object.Color(0, 0, 1.0);
gl_object.Begin(OpenGL.GL_TRIANGLE_STRIP);
gl_object.Vertex(-0.02, 0.02, -0.02);
gl_object.Vertex(-0.02, 10, -0.02);
gl_object.Vertex(0.02, 0.02, -0.02);
gl_object.Vertex(0.02, 10, -0.02);
gl_object.Vertex(0.02, 0.02, 0.02);
gl_object.Vertex(0.02, 10, 0.02);
gl_object.Vertex(-0.02, 0.02, 0.02);
gl_object.Vertex(-0.02, 10, 0.02);
gl_object.Vertex(-0.02, 0.02, -0.02);
gl_object.Vertex(-0.02, 10, -0.02);
gl_object.End();
//up
gl_object.Begin(OpenGL.GL_TRIANGLE_STRIP);
gl_object.Vertex(-0.02, 10, -0.02);
gl_object.Vertex(0.02, 10, -0.02);
gl_object.Vertex(-0.02, 10, 0.02);
gl_object.Vertex(0.02, 10, 0.02);
gl_object.End();
//down
gl_object.Begin(OpenGL.GL_TRIANGLE_STRIP);
gl_object.Vertex(-0.02, 0.02, -0.02);
gl_object.Vertex(0.02, 0.02, -0.02);
gl_object.Vertex(-0.02, 0.02, 0.02);
gl_object.Vertex(0.02, 0.02, 0.02);
gl_object.End();
//gl_object.Flush();
}
