Mirai's Miscellaneous Misadventures
M46 / core / cameras.c
#include <mimimi.h>
void mimimi_camera_tick(struct mimimi_position *camera, struct mimimi_position *position, int ox, int oy)
{
camera->x *= 3;
camera->y *= 3;
camera->x += position->x + ox;
camera->y += position->y + oy;
camera->x /= 4;
camera->y /= 4;
}
void mimimi_clamped_camera_tick(struct mimimi_clamped_camera *camera)
{
struct mimimi_position *position;
struct mimimi_position *input;
struct mimimi_position *output;
int i;
int left, right;
int top, bottom;
int count;
struct mimimi_clamped_camera_threshold *thresholds;
position = camera->position;
input = camera->input;
output = &camera->output;
count = camera->count;
thresholds = camera->thresholds;
for (i = 1 ; i < count ; i++)
{
if (position->x < thresholds[i].x * 128)
break;
}
left = (thresholds[i - 1].x + 16) * 128;
right = (thresholds[i].x - 16) * 128;
top = (thresholds[i].top - 4) * 128;
bottom = (thresholds[i].bottom - 4) * 128;
*output = *input;
if (output->x < left) output->x = left;
if (output->x > right) output->x = right;
if (output->y < top) output->y = top;
if (output->y > bottom) output->y = bottom;
}