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2017-02-12ray: remove vestigial stdio.h includeVito Caputo
Leftover from debugging presumably
2017-02-10ray: implement all orders in ray_euler_basis()Vito Caputo
Originally I only implemented pitch->yaw->roll, and being new to all this didn't fully appreciate the limitation that resulted in. This adds all six permutations of pitch/yaw/roll, the scene must specify the desired order when setting up the camera with the euler angles, see the enum in ray_euler.h.
2017-02-09ray: remove redundant recursion depth incrementVito Caputo
trace_ray() bumps the depth, the reflection ray trace_ray() call just needs to propagate the depth variable not advance it as well. This was probably vestigial from early development and never got taken out. This does mean more reflections now, and correspondingly slower rendering, but it at least makes MAX_RECURSION_DEPTH accurate. The define can be changed if the performance is too bad.
2017-02-09ray: fix mistake in ray:sphere intersection mathVito Caputo
2017-02-08Consolidate fb_fragment_t interactionsVito Caputo
sparkler and stars both cleared fragments and drew individual pixels into fragments, add that functionality to fb.h and cleanup sparkler and stars accordingly.
2017-02-07plasma: add a plasma rendererVito Caputo
2017-02-03*: use fb_fragment_zero() instead of memset()Vito Caputo
2017-02-03stars: use fb_fragment_put_pixel_unchecked()Vito Caputo
drop draw_pixel() duplication
2017-02-03sparkler: drop draw.hVito Caputo
2017-02-03sparkler: use fb.h put_pixel helpersVito Caputo
discards draw_pixel(), introduces helpers.h and a convenience function for bounds checking and oob extermination. Move makergb to helpers.h, draw.h gets removed in a later commit.
2017-02-03rototiller: extricate draw_pixel() bounds checkingVito Caputo
If a z-buffer is added these checks will need to be done independent from and prior to drawing. Also it's silly to makergb() pixels which can't be drawn.
2017-01-18autotools: s#../../#@top_srcdir@/src#Vito Caputo
The relative path broke out-of-tree builds. Previously the following: $ mkdir /tmp/foo $ cd /tmp/foo $ ~/src/rototiller/configure $ make Would fail to compile unable to locate the headers in ~/rototiller/src This fixes it.
2017-01-18*: move source into src/ subdirVito Caputo
Restoring some organizational sanity since adopting autotools.
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