Merge branch 'warpdrive-nick' of https://github.com/wertarbyte/r0ket into wertarbyte-warpdrivenick
This commit is contained in:
commit
4b0f5e6a6d
firmware/l0dable
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#include <sysinit.h>
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#include "basic/basic.h"
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#include "basic/config.h"
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#include "lcd/lcd.h"
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#include "lcd/print.h"
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#include "usetable.h"
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#define NUM_STARS 100
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#define SPEED_MAX 10
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#define SPEED_DEFAULT 4
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#define SPEED_STOP 0
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#define SPEED_WARP 6
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// Two RGB LEDs on the Modulbus
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#define LEDA_R RB_SPI_SS0
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#define LEDA_G RB_SPI_SS1
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#define LEDA_B RB_SPI_SS2
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#define LEDB_R RB_SPI_SS3
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#define LEDB_G RB_SPI_SS4
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#define LEDB_B RB_SPI_SS5
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typedef struct {
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short x, y, z;
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} s_star;
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typedef struct {
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short speed;
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} s_ship;
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static s_ship ship = {SPEED_DEFAULT};
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static s_star stars[NUM_STARS];
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void init_star(s_star *star, int z);
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void set_warp_lights(uint8_t enabled);
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void drift_ship(void);
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void ram(void)
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{
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short centerx = RESX >> 1;
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short centery = RESY >> 1;
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short i;
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uint8_t key = 0;
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for (i = 0; i < NUM_STARS; i++) {
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init_star(stars + i, i + 1);
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}
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static uint8_t count = 0;
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while(1) {
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count++;
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count%=256;
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key = getInputRaw();
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if (key == BTN_ENTER) {
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break;
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} else if ( count%4 == 0 ) {
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if (key == BTN_UP && ship.speed < SPEED_MAX) {
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ship.speed++;
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} else if (key == BTN_DOWN && ship.speed > SPEED_STOP) {
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ship.speed--;
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} else if (key ==BTN_NONE) {
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/* converge towards default speed */
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if (ship.speed < SPEED_DEFAULT) {
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ship.speed++;
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} else if (ship.speed > SPEED_DEFAULT) {
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ship.speed--;
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}
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}
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}
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if (ship.speed > SPEED_WARP) {
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set_warp_lights(1);
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} else {
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set_warp_lights(0);
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}
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if (ship.speed == 0 && count%6==0) drift_ship();
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int dx=0;
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int dy=0;
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setExtFont(GLOBAL(nickfont));
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dx=DoString(0,0,GLOBAL(nickname));
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dx=(RESX-dx)/2;
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if(dx<0) dx=0;
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dy=(RESY-getFontHeight())/2;
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lcdClear();
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DoString(dx,dy,GLOBAL(nickname));
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for (i = 0; i < NUM_STARS; i++) {
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stars[i].z -= ship.speed;
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if (ship.speed > 0 && stars[i].z <= 0)
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init_star(stars + i, i + 1);
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short tempx = ((stars[i].x * 30) / stars[i].z) + centerx;
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short tempy = ((stars[i].y * 30) / stars[i].z) + centery;
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if (tempx < 0 || tempx > RESX - 1 || tempy < 0 || tempy > RESY - 1) {
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if (ship.speed > 0) { /* if we are flying, generate new stars in front */
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init_star(stars + i, i + 1);
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} else { /* if we are drifting, simply move those stars to the other end */
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stars[i].x = (((tempx%RESX)-centerx)*stars[i].z)/30;
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stars[i].y = (((tempy%RESY)-centery)*stars[i].z)/30;
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}
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continue;
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}
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lcdSetPixel(tempx, tempy, 1);
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if (stars[i].z < 50) {
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lcdSetPixel(tempx + 1, tempy, 1);
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}
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if (stars[i].z < 20) {
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lcdSetPixel(tempx, tempy + 1, 1);
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lcdSetPixel(tempx + 1, tempy + 1, 1);
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}
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}
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lcdRefresh();
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delayms_queue_plus(50,0);
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}
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set_warp_lights(0);
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}
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void set_warp_lights(uint8_t enabled) {
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gpioSetValue(LEDA_R, 0);
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gpioSetValue(LEDA_G, 0);
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gpioSetValue(LEDA_B, enabled);
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gpioSetValue(LEDB_R, 0);
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gpioSetValue(LEDB_G, 0);
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gpioSetValue(LEDB_B, enabled);
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}
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void drift_ship(void) {
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uint8_t d_x = 1;
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uint8_t d_y = 1;
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for (uint8_t i = 0; i < NUM_STARS; i++) {
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stars[i].x += d_x;
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stars[i].y += d_y;
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}
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}
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void init_star(s_star *star, int z)
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{
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star->x = (getRandom() % RESX) - (RESX >> 1);
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star->y = (getRandom() % RESY) - (RESY >> 1);
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star->z = z;
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return;
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}
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