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Diffstat (limited to 'examples/sphere-and-text.el')
| -rw-r--r-- | examples/sphere-and-text.el | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/examples/sphere-and-text.el b/examples/sphere-and-text.el new file mode 100644 index 0000000..0e9d2ea --- /dev/null +++ b/examples/sphere-and-text.el @@ -0,0 +1,39 @@ +;; Takes about 17 seconds on Xeon E3-1275 v2 with byte-compiled 3d.el. + +(benchmark-run 1 + (let* ((rotate-x-angle (degrees-to-radians 80)) + (rotate-y-angle (degrees-to-radians 15)) + (rotate-z-angle (/ pi 16)) + (rotate-x (vector (vector 1 0 0 0) + (vector 0 (cos rotate-x-angle) (sin rotate-x-angle) 0) + (vector 0 (- (sin rotate-x-angle)) (cos rotate-x-angle) 0) + (vector 0 0 0 1))) + (rotate-y (vector (vector (cos rotate-y-angle) 0 (- (sin rotate-y-angle)) 0) + (vector 0 1 0 0) + (vector (sin rotate-y-angle) 0 (cos rotate-y-angle) 0) + (vector 0 0 0 1))) + (rotate-z (vector (vector (cos rotate-z-angle) (sin rotate-z-angle) 0 0) + (vector (- (sin rotate-z-angle)) (cos rotate-z-angle) 0 0) + (vector 0 0 1 0) + (vector 0 0 0 1))) + (camera-to-world (3d-matrix-multiply + rotate-z + (3d-matrix-multiply + rotate-y + (3d-matrix-multiply + rotate-x + '[[1 0 0 0] [0 1 0 0] [0 0 1 0] [-0.3 1 9 1]])))) + (polygons (with-current-buffer "sphere-and-text.ply" (3d-ply-load))) + (buf (get-buffer-create "*sphere-and-text*"))) + (3d-polygons-add-normals polygons) + (with-current-buffer buf + (kill-region (point-min) (point-max)) + (3d-render polygons + '[10 20 -10] + " .-~^!?obO#" + camera-to-world + 80 + 60 + (/ 9.0 18) + (degrees-to-radians 27)) + (display-buffer buf)))) |