Fall damage

constants.js

@@ -22,3 +22,5 @@ export const MIN_BULLET_SOUND_FREQUENCY = 220;
 export const MAX_BULLET_SOUND_FREQUENCY = 2200;
 export const PROJECTILE_ITERATIONS_PER_FRAME = 30;
 export const PROJECTILE_ITERATION_PROGRESS = 0.01;
+export const FALL_DAMAGE_HEIGHT = 50;
+export const FALL_DAMAGE_FACTOR = 3;