diff options
Diffstat (limited to 'dave/plot_lighthouse/glutil.c')
-rw-r--r-- | dave/plot_lighthouse/glutil.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/dave/plot_lighthouse/glutil.c b/dave/plot_lighthouse/glutil.c deleted file mode 100644 index dd022a0..0000000 --- a/dave/plot_lighthouse/glutil.c +++ /dev/null @@ -1,75 +0,0 @@ -// -// glutil.c -// -// -// Created by user on 2/4/17. -// -// - -#include "glutil.h" - -void DrawGrid( - float minX, float maxX, - float minY, float maxY, - float minZ, float maxZ, - float stepX, float stepY, float stepZ) -{ - float x,y,z; - - glBegin(GL_LINES); - - // X grid stripes - for (y=minY; y<maxY; y+=stepY) { - for (z=minZ; z<maxZ; z+=stepZ) { - glVertex3f(minX, y, z); - glVertex3f(maxX, y, z); - } - } - - // Y grid stripes - for (x=minX; x<maxX; x+=stepX) { - for (z=minZ; z<maxZ; z+=stepZ) { - glVertex3f(x, minY, z); - glVertex3f(x, maxY, z); - } - } - - // Z grid stripes - for (y=minY; y<maxY; y+=stepY) { - for (x=minX; x<maxX; x+=stepX) { - glVertex3f(x, y, minZ); - glVertex3f(x, y, maxZ); - } - } - - glEnd(); -} - - -void DrawCoordinateSystem( - float x, float y, float z, - float qx, float qy, float qz, float qr) -{ - Quaternion i0,j0,k0; - Quaternion i, j, k; - Quaternion q; - - // Calculate the i, j, and k vectors - QuaternionSet(i0, 1, 0, 0, 0); - QuaternionSet(j0, 0, 1, 0, 0); - QuaternionSet(k0, 0, 0, 1, 0); - QuaternionSet(q, qx, qy, qz, qr); - QuaternionRot(i, q, i0); - QuaternionRot(j, q, j0); - QuaternionRot(k, q, k0); - - // Draw the coordinate system i red, j green, k blue - glBegin(GL_LINES); - glColor3f(1, 0, 0); glVertex3f(x,z,y); glVertex3f(x+i.i,z+i.k,y+i.j); - glColor3f(0, 1, 0); glVertex3f(x,z,y); glVertex3f(x+j.i,z+j.k,y+j.j); - glColor3f(0, 0, 1); glVertex3f(x,z,y); glVertex3f(x+k.i,z+k.k,y+k.j); - glEnd(); -} - - - |