void enemy_tick_fly_straight_and_dip(struct jumpnrun_enemy *self,
struct jumpnrun_game_state *state,
struct jumpnrun_level *lv,
struct jumpnrun_tile_range const *visible_tiles,
vec2d *player_inertia_mod) {
if(fixed_point_lt(fixed_point_abs(fixed_point_sub(enemy_pos_hitbox(self).x,
state->player.base.hitbox.pos.x)),
FIXED_INT(20))) {
self->base.flags |= JUMPNRUN_ENEMY_EVENT_TRIGGER1;
}
if(self->base.flags & JUMPNRUN_ENEMY_EVENT_TRIGGER1) {
self->base.inertia.y =
fixed_point_add(fixed_point_add(self->base.inertia.y,
fixed_point_div(self->type->spawn_inertia.y, FIXED_INT(3))),
fixed_point_mul(FIXED_POINT(0, 5),
fixed_point_sub(self->spawn_pos.y,
enemy_pos_hitbox(self).y)));
} else {
self->base.inertia.y = FIXED_INT(0);
}
enemy_tick_common(self, state, lv, visible_tiles, player_inertia_mod);
enemy_animation_advance(self);
}
void enemy_tick_swing_up_and_down(struct jumpnrun_enemy *self,
struct jumpnrun_game_state *state,
struct jumpnrun_level *lv,
struct jumpnrun_tile_range const *visible_tiles,
vec2d *player_inertia_mod) {
enemy_tick_common(self, state, lv, visible_tiles, player_inertia_mod);
self->base.inertia.y =
fixed_point_add(fixed_point_add(self->base.inertia.y,
fixed_point_div(self->type->spawn_inertia.y, FIXED_INT(3))),
fixed_point_mul(FIXED_POINT(0, 5),
fixed_point_sub(self->spawn_pos.y,
enemy_pos_display(self).y)));
enemy_animation_advance(self);
}
int main(void)
{
int i = 0;
for (fixed32 value = SIN_TABLE_BEGIN; value <= SIN_TABLE_END;
value += SIN_TABLE_STEP, i++)
{
fixed32 sin = sin_table[i];
fixed32 cos = cos_table[i];
fixed32 sinx2 = fixed_point_mult(sin, sin);
fixed32 cosx2 = fixed_point_mult(cos, cos);
fixed32 one = fixed_point_add(sinx2, cosx2);
printf("%d %x => sin: %x cos: %x sin**2: %x cos**2: %x one: %x\n", i, value,
sin, cos, sinx2, cosx2, one);
}
}
