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[Fix] Stars make a bit more sense now! :D

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This commit is contained in:
Allanis 2013-02-01 22:47:04 +00:00
parent 246bdff2c8
commit fd22930673
1 changed files with 28 additions and 22 deletions
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50
src/space.c
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@ -54,8 +54,8 @@ static gl_texture* starBG_create(const int density) {
w = (int)((float)gl_screen.w * 1.5);
if((w & (w-1)) != 0) {
w = 1;
while(h < (int)((float)gl_screen.h*1.5))
h <<= 1;
while(w < (int)((float)gl_screen.w*1.5))
w <<= 1;
}
h = (int)((float)gl_screen.h * 1.5);
if((h & (h-1)) != 0) {
@ -94,12 +94,13 @@ void space_init(void) {
void space_render(FP dt) {
int i;
Vec2 tmp = { .x = starPos[0].x };
Vec2 tmp;
FP f;
for(i = 0; i < STAR_LAYERS; i++) {
// Movement.
starPos[i].x -= player->solid->vel.x / (FP)(2*i+4)*dt;
starPos[i].y -= player->solid->vel.y / (FP)(2*i+4)*dt;
starPos[i].x -= player->solid->vel.x / (FP)(2*i+10)*dt;
starPos[i].y -= player->solid->vel.y / (FP)(2*i+104)*dt;
// Displaces x if reaches edge.
if(starPos[i].x > 0)
@ -119,23 +120,28 @@ void space_render(FP dt) {
tmp.x = starPos[i].x;
tmp.y = starPos[i].y;
// TODO: This needs optimizing.
tmp.x -= starBG[i]->w;
gl_blitStatic(starBG[i], &tmp);
tmp.y += starBG[i]->h;
gl_blitStatic(starBG[i], &tmp);
tmp.x += starBG[i]->w;
gl_blitStatic(starBG[i], &tmp);
tmp.x += starBG[i]->w;
gl_blitStatic(starBG[i], &tmp);
tmp.y -= starBG[i]->h;
gl_blitStatic(starBG[i], &tmp);
tmp.y -= starBG[i]->h;
gl_blitStatic(starBG[i], &tmp);
tmp.x -= starBG[i]->w;
gl_blitStatic(starBG[i], &tmp);
tmp.x -= starBG[i]->w;
gl_blitStatic(starBG[i], &tmp);
// More blits if part of the screen is blank.
if(starPos[i].x < starBG[i]->w/4.)
tmp.x += starBG[i]->w;
else if(starPos[i].x < starBG[i]->w*3./4.)
tmp.y -= starBG[i]->w;
if(starPos[i].y < starBG[i]->h/4.)
tmp.y += starBG[i]->h;
else if(starPos[i].y < starBG[i]->h*3./4.)
tmp.y -= starBG[i]->h;
if(tmp.x != starPos[i].x && tmp.y != starPos[i].y) {
gl_blitStatic(starBG[i], &tmp);
f = tmp.x;
tmp.x = starPos[i].x;
gl_blitStatic(starBG[i], &tmp);
tmp.x = f;
tmp.y = starPos[i].y;
gl_blitStatic(starBG[i], &tmp);
}
else if(tmp.x != starPos[i].x || tmp.y != starPos[i].y)
gl_blitStatic(starBG[i], &tmp);
}
}