Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Added integer based sin()/cos() functions, changed all trig functions to wled_math #4181

Merged
merged 8 commits into from
Nov 27, 2024
Merged

Added integer based sin()/cos() functions, changed all trig functions to wled_math #4181

Changes from 2 commits
Commits
Show all changes
8 commits
Select commit Hold shift + click to select a range
7b855c8
Added integer based `sin()/cos()` functions, changed all trig functio…
DedeHai Oct 5, 2024
f301296
added rounding to sin8_t
DedeHai Oct 6, 2024
5e29f2c
fixed atan2_t
DedeHai Oct 15, 2024
98a6907
cleanup and improvement to sin_appros()
DedeHai Oct 16, 2024
1a8aaa3
Speed improvements, commented legacy _t trig functions
DedeHai Nov 26, 2024
4cd0563
changed 90° offset to hex, fixed potential bug in FX using sin/cos wi…
DedeHai Nov 27, 2024
a0a4685
Merge remote-tracking branch 'upstream/0_15' into 0_15_trig_math
DedeHai Nov 27, 2024
fa4c23b
minor improvement
DedeHai Nov 27, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion wled00/FX.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7737,9 +7737,9 @@ uint16_t mode_2Doctopus() {
const int C_Y = (rows / 2) + ((SEGMENT.custom2 - 128)*rows)/255;
for (int x = 0; x < cols; x++) {
for (int y = 0; y < rows; y++) {
rMap[XY(x, y)].angle = int(40.7436f * atan2_t((y - C_Y), (x - C_X))); // avoid 128*atan2()/PI
int dx = (x - C_X);
int dy = (y - C_Y);
rMap[XY(x, y)].angle = int(40.7436f * atan2_t(dy, dx)); // avoid 128*atan2()/PI
blazoncek marked this conversation as resolved.
Show resolved Hide resolved
rMap[XY(x, y)].radius = sqrtf(dx * dx + dy * dy) * mapp; //thanks Sutaburosu
}
}
Expand Down