Revision 136
more organized
| lab5/lab5.c | ||
|---|---|---|
| 385 | 385 |
return 1; |
| 386 | 386 |
} |
| 387 | 387 |
/// |
| 388 |
uint16_t dx = xf-xi;
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uint16_t dy = yf-yi;
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if(xi != xf) dy = 0;
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else dx = 0;
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uint16_t dframe = (speed <= 0 ? 1 : speed);
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| 388 |
uint16_t Dx = xf-xi;
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uint16_t Dy = yf-yi;
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if(xi != xf) Dy = 0;
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else Dx = 0;
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| 392 |
uint16_t v = (speed <= 0 ? 1 : speed);
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| 393 | 393 |
uint16_t Nt = (speed < 0 ? -speed : 1); |
| 394 |
uint32_t dt = frequency/(uint32_t)fr_rate;
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uint32_t ticks_per_frame = frequency/(uint32_t)fr_rate;
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| 395 | 395 |
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| 396 | 396 |
/// loop stuff |
| 397 | 397 |
int ipc_status; |
| 398 | 398 |
message msg; |
| 399 | 399 |
/// cycle |
| 400 | 400 |
uint16_t x = xi, y = yi; |
| 401 |
int i = Nt-1; |
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int i = Nt-1; //Nt-1
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| 402 | 402 |
int good = 1; |
| 403 | 403 |
while (good) {
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| 404 | 404 |
/* Get a request message. */ |
| ... | ... | |
| 414 | 414 |
if (scancode[0] == ESC_BREAK_CODE) good = 0; |
| 415 | 415 |
} |
| 416 | 416 |
if (msg.m_notify.interrupts & timer_irq) { /* subscribed interrupt */
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if(no_interrupts == dt){
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no_interrupts = 0; |
|
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if(no_interrupts == 0){
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| 419 | 418 |
i = (i+1)%Nt; |
| 420 | 419 |
if(i == 0){
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| 421 | 420 |
sprite_set_pos(sp,x,y); |
| 422 | 421 |
sprite_draw(sp); |
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static int cnt = 0; |
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cnt++; printf("printed %d times\n", cnt);
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if(dx) draw_rectangle(min(x,x+dframe),y , abs(dframe) , sprite_get_h(sp), 0); |
|
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if(dy) draw_rectangle(x ,min(y,y+dframe),sprite_get_w(sp), abs(dframe) , 0); |
|
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if(dx) x += dframe; |
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if(dy) y += dframe; |
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if(dx && (x-xi)*(x-xf) >= 0){ x = xf; dx = 0; }
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if(dy && (y-yi)*(y-yf) >= 0){ y = yf; dy = 0; }
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if(Dx) draw_rectangle(min(x,x+v),y , abs(v) , sprite_get_h(sp), 0); |
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if(Dy) draw_rectangle(x ,min(y,y+v),sprite_get_w(sp), abs(v) , 0); |
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if(Dx) x += v; |
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if(Dy) y += v; |
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if(Dx && (x-xi)*(x-xf) >= 0){ x = xf; Dx = 0; }
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if(Dy && (y-yi)*(y-yf) >= 0){ y = yf; Dy = 0; }
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| 431 | 428 |
} |
| 432 | 429 |
} |
| 433 | 430 |
timer_int_handler(); |
| 431 |
no_interrupts %= ticks_per_frame; |
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| 434 | 432 |
} |
| 435 | 433 |
break; |
| 436 | 434 |
default: |
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