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unnamed-platformer
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60 FPS cap (WIP)

This commit is contained in:
KikooDX 2020-02-12 11:30:43 +01:00
parent 10eb356b1d
commit 73a58e7241
2 changed files with 19 additions and 1 deletions
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platform.g3a
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20
src/main.c
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@ -1,4 +1,6 @@
#include <gint/keyboard.h>
#include <gint/timer.h>
#include <gint/clock.h>
#include "draw.h"
#include "collide.h"
#include "levels.h"
@ -6,12 +8,21 @@
void jump_test(char *jump_pressed, char *jump_buffer); //test if jump pressed
char sgn(int number); //return the sign of input double
int callback(volatile void *arg)
{
volatile int *has_ticked = arg;
*has_ticked = 1;
return 0;
}
int main(void)
{
volatile int has_ticked = 1; //fps cap
char level[14*25];
unsigned char level_id = 0;
char jump_pressed = 0; //avoid holding jump
char jump_buffer = 0; //jump buffer, last 3 frames
unsigned int jump_hold = 0; //number of consecutive frames jump has been held
double vspd = 0; //player vertical speed
char hspd = 0; //player horizontal speed
char on_ground = 6; //remember if player is on solid
@ -26,7 +37,12 @@ int main(void)
draw_level(level, &player_x, &player_y);
old_x = player_x + 1; //offset to draw it on first cycle
old_y = player_y;
//fps cap timer
timer_setup(0, timer_delay(0, 16667), 0, callback, &has_ticked);
timer_start(0);
while (1) {
while(!has_ticked) sleep();
has_ticked = 0;
draw_player(old_x, old_y, player_x, player_y);
dupdate();
old_x = player_x;
@ -76,10 +92,11 @@ int main(void)
}
}
void jump_test(char *jump_pressed, char *jump_buffer)
void jump_test(char *jump_pressed, char *jump_buffer, unsigned int *jump_hold)
{
if (keydown(KEY_SHIFT))
{
*jump_hold++;
if (!*jump_pressed)
{
*jump_pressed = 1;
@ -87,6 +104,7 @@ void jump_test(char *jump_pressed, char *jump_buffer)
}
}
else {
*jump_hold = 0;
*jump_pressed = 0;
}
if (*jump_buffer) *jump_buffer -= 1;