My ECE 2035 final project
Dependencies: 4DGL-uLCD-SE mbed wave_player
Fork of MazeRunner_Fall2017-shell by
physics.cpp@2:c18c231cb299, 2017-11-08 (annotated)
- Committer:
- rconnorlawson
- Date:
- Wed Nov 08 21:01:43 2017 +0000
- Revision:
- 2:c18c231cb299
- Parent:
- 0:cf4396614a79
- Child:
- 1:2c6ae0fe9a2a
Fix delta computation in physics update.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
rconnorlawson | 0:cf4396614a79 | 1 | #include "physics.h" |
rconnorlawson | 0:cf4396614a79 | 2 | #include "math_extra.h" |
rconnorlawson | 0:cf4396614a79 | 3 | |
rconnorlawson | 0:cf4396614a79 | 4 | void forward_euler(Physics* state, float delta) |
rconnorlawson | 0:cf4396614a79 | 5 | { |
rconnorlawson | 0:cf4396614a79 | 6 | // TODO: Implement proper forward euler updates for position and velocity |
rconnorlawson | 0:cf4396614a79 | 7 | |
rconnorlawson | 0:cf4396614a79 | 8 | // Compute random motion |
rconnorlawson | 0:cf4396614a79 | 9 | float damp = 0.5; |
rconnorlawson | 0:cf4396614a79 | 10 | float dx = damp*coin_flip(); |
rconnorlawson | 0:cf4396614a79 | 11 | float dy = damp*coin_flip(); |
rconnorlawson | 0:cf4396614a79 | 12 | |
rconnorlawson | 0:cf4396614a79 | 13 | // Update position and velocity |
rconnorlawson | 0:cf4396614a79 | 14 | state->px = state->px + dx; |
rconnorlawson | 0:cf4396614a79 | 15 | state->py = state->py + dy; |
rconnorlawson | 0:cf4396614a79 | 16 | state->vx = dx; |
rconnorlawson | 0:cf4396614a79 | 17 | state->vy = dy; |
rconnorlawson | 0:cf4396614a79 | 18 | } |