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authorPhilip J Freeman <elektron@halo.nu>2022-04-25 22:45:41 -0700
committerVito Caputo <vcaputo@pengaru.com>2022-04-27 15:35:17 -0700
commit622483af261224355bd66734266773a136a1110f (patch)
treed651022744a3961e612619284902b20ddcebf8e7 /src/modules
parenta11b036a722907dac575b50b63acc59461a71781 (diff)
modules/pixbounce: randomize pixmap sizes
Diffstat (limited to 'src/modules')
-rw-r--r--src/modules/pixbounce/pixbounce.c40
1 files changed, 22 insertions, 18 deletions
diff --git a/src/modules/pixbounce/pixbounce.c b/src/modules/pixbounce/pixbounce.c
index 03938a9..67f35a9 100644
--- a/src/modules/pixbounce/pixbounce.c
+++ b/src/modules/pixbounce/pixbounce.c
@@ -134,6 +134,7 @@ typedef struct pixbounce_context_t {
int x_dir, y_dir;
int pix_num;
uint32_t color;
+ int multiplier;
} pixbounce_context_t;
@@ -168,6 +169,7 @@ static void * pixbounce_create_context(unsigned ticks, unsigned num_cpus, til_se
ctxt->y_dir = 0;
ctxt->pix_num = rand() % num_pix;
ctxt->color = pick_color();
+ ctxt->multiplier = 1;
return ctxt;
}
@@ -182,38 +184,40 @@ static void pixbounce_render_fragment(void *context, unsigned ticks, unsigned cp
{
pixbounce_context_t *ctxt = context;
- int multiplier_x, multiplier_y, multiplier;
int width = fragment->width, height = fragment->height;
/* check for very small fragment */
if(pix_width*2>width||pix_height*2>height)
return;
- /* calculate multiplyer for the pixmap */
- multiplier_x = width / pix_width;
- multiplier_y = height / pix_height;
+ if(ctxt->x == -1) {
+ int multiplier_x, multiplier_y;
- if(multiplier_x>=multiplier_y) {
- multiplier = multiplier_y * 77 / 100;
- } else if(multiplier_y>multiplier_x) {
- multiplier = multiplier_x * 77 / 100;
- }
+ /* calculate multiplyer for the pixmap */
+ multiplier_x = width / pix_width;
+ multiplier_y = height / pix_height;
- /* randomly initialize location and direction of pixmap */
- if(ctxt->x == -1) {
- ctxt->x = rand() % (width - pix_width * multiplier) + 1;
- ctxt->y = rand() % (height - pix_height * multiplier) + 1;
+ if(multiplier_x>=multiplier_y) {
+ ctxt->multiplier = multiplier_y * (rand()%55 + 22 )/ 100;
+ } else {
+ ctxt->multiplier = multiplier_x * (rand()%55 + 22 ) / 100;
+ }
+
+ /* randomly initialize location and direction of pixmap */
+ ctxt->x = rand() % (width - pix_width * ctxt->multiplier) + 1;
+ ctxt->y = rand() % (height - pix_height * ctxt->multiplier) + 1;
ctxt->x_dir = (rand() % 3) - 1;
ctxt->y_dir = (rand() % 3) - 1;
+
}
/* blank the frame */
til_fb_fragment_clear(fragment);
/* translate pixmap to multiplier size and draw it to the fragment */
- for(int cursor_y=0; cursor_y < pix_height*multiplier; cursor_y++) {
- for(int cursor_x=0; cursor_x < pix_width*multiplier; cursor_x++) {
- int pix_offset = ((cursor_y/multiplier)*pix_width) + (cursor_x/multiplier);
+ for(int cursor_y=0; cursor_y < pix_height*ctxt->multiplier; cursor_y++) {
+ for(int cursor_x=0; cursor_x < pix_width*ctxt->multiplier; cursor_x++) {
+ int pix_offset = ((cursor_y/ctxt->multiplier)*pix_width) + (cursor_x/ctxt->multiplier);
if(pix_map[ctxt->pix_num][pix_offset] == 0) continue;
til_fb_fragment_put_pixel_unchecked(
fragment, ctxt->x+cursor_x, ctxt->y+cursor_y,
@@ -228,7 +232,7 @@ static void pixbounce_render_fragment(void *context, unsigned ticks, unsigned cp
ctxt->pix_num = pick_pix(num_pix, ctxt->pix_num);
ctxt->color = pick_color();
}
- if((ctxt->x+(pix_width*multiplier))+ctxt->x_dir > width) {
+ if((ctxt->x+(pix_width*ctxt->multiplier))+ctxt->x_dir > width) {
ctxt->x_dir = -1;
ctxt->pix_num = pick_pix(num_pix, ctxt->pix_num);
ctxt->color = pick_color();
@@ -238,7 +242,7 @@ static void pixbounce_render_fragment(void *context, unsigned ticks, unsigned cp
ctxt->pix_num = pick_pix(num_pix, ctxt->pix_num);
ctxt->color = pick_color();
}
- if((ctxt->y+(pix_height*multiplier))+ctxt->y_dir > height) {
+ if((ctxt->y+(pix_height*ctxt->multiplier))+ctxt->y_dir > height) {
ctxt->y_dir = -1;
ctxt->pix_num = pick_pix(num_pix, ctxt->pix_num);
ctxt->color = pick_color();
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