f32 colors; g_ prefix

1 files changed, 19 insertions, 47 deletions

diff --git a/examples/particles.c b/examples/particles.c
index bf90123..37a77a5 100755..100644
--- a/examples/particles.c
+++ b/examples/particles.c
@@ -1,30 +1,3 @@
-#if 0 /*
-#/  ================================================================
-#/
-#/    particles.c
-#/
-#/  ================================================================
-#/
-#/    Self-compilation shell script
-#/
-SRC=${0##*./}
-BIN=${SRC%.*}
-gcc                                 \
-  -Wall -Wextra -Werror -pedantic   \
-  -Wno-old-style-declaration        \
-  -Wno-missing-braces               \
-  -Wno-unused-variable              \
-  -Wno-unused-but-set-variable      \
-  -Wno-unused-parameter             \
-  -Wno-overlength-strings           \
-  -O3                               \
-  -fsanitize=undefined,address,leak \
-  -lX11 -lm -lasound                \
-  -o $BIN $SRC &&                   \
-  ./$BIN $@ && rm $BIN
-exit $? # */
-#endif
-
 #include "../graphics.c"
 
 typedef struct {
@@ -40,9 +13,9 @@ typedef struct {
   Entity entities[10 * 1024 * 1024];
 } World;
 
-World world = {0};
-u32   background;
-i64   time_0;
+World    world      = {0};
+vec3_f32 background = { .0f, .0f, .08f };
+i64      time_0;
 
 void update_and_render_frame(void) {
   p_handle_events();
@@ -50,21 +23,21 @@ void update_and_render_frame(void) {
   i64 time_elapsed  = p_time() - time_0;
   time_0           += time_elapsed;
 
-  if (platform.key_pressed[BUTTON_LEFT]) {
+  if (g_platform.key_pressed[BUTTON_LEFT]) {
     i64 n = world.num_entities++;
 
     world.entities[n] = (Entity) {
-      .x =   (f64) platform.cursor_x - (f64) platform.frame_width  / 2,
-      .y = -((f64) platform.cursor_y - (f64) platform.frame_height / 2),
+      .x =   (f64) g_platform.cursor_x - (f64) g_platform.frame_width  / 2,
+      .y = -((f64) g_platform.cursor_y - (f64) g_platform.frame_height / 2),
     };
   }
 
   if (time_elapsed > 0) {
-    if (platform.key_down[BUTTON_RIGHT]) {
+    if (g_platform.key_down[BUTTON_RIGHT]) {
       for (i64 n = 0; n < time_elapsed; ++n)
         world.entities[world.num_entities + n] = (Entity) {
-          .x =   (f64) platform.cursor_x - (f64) platform.frame_width  / 2,
-          .y = -((f64) platform.cursor_y - (f64) platform.frame_height / 2),
+          .x =   (f64) g_platform.cursor_x - (f64) g_platform.frame_width  / 2,
+          .y = -((f64) g_platform.cursor_y - (f64) g_platform.frame_height / 2),
         };
 
       world.num_entities += time_elapsed;
@@ -111,23 +84,23 @@ void update_and_render_frame(void) {
     world.time += time_elapsed;
   }
 
-  for (i32 j = 0; j < platform.frame_height; ++j)
-    for (i32 i = 0; i < platform.frame_width; ++i)
-      platform.pixels[j * platform.frame_width + i] = background;
+  for (i32 j = 0; j < g_platform.frame_height; ++j)
+    for (i32 i = 0; i < g_platform.frame_width; ++i)
+      g_platform.pixels[j * g_platform.frame_width + i] = background;
 
   for (i64 n = 0; n < world.num_entities; ++n) {
     Entity *e = &world.entities[n];
 
-    i32 x = platform.frame_width  / 2 + (i32) floor(e->x + .5);
-    i32 y = platform.frame_height / 2 - (i32) floor(e->y + .5);
+    i32 x = g_platform.frame_width  / 2 + (i32) floor(e->x + .5);
+    i32 y = g_platform.frame_height / 2 - (i32) floor(e->y + .5);
 
     for (i32 j = y - 10; j <= y + 10; ++j) {
-      if (j < 0 || j >= platform.frame_height) continue;
+      if (j < 0 || j >= g_platform.frame_height) continue;
       for (i32 i = x - 10; i <= x + 10; ++i) {
-        if (i < 0 || i >= platform.frame_width) continue;
+        if (i < 0 || i >= g_platform.frame_width) continue;
         if ((i - x) * (i - x) + (j - y) * (j - y) > 100) continue;
         f64 v = (e->vx * e->vx + e->vy * e->vy) * 8.;
-        platform.pixels[j * platform.frame_width + i] = u32_from_rgb(-.2 + v * 2., .1 + v * .7,  1. - v);
+        g_platform.pixels[j * g_platform.frame_width + i] = (vec3_f32) { -.2 + v * 2., .1 + v * .7,  1. - v };
       }
     }
   }
@@ -139,14 +112,13 @@ i32 main(i32 argc, c8 **argv) {
   (void) argc;
   (void) argv;
 
-  platform = (Platform) {
+  g_platform = (Platform) {
     .title        = "Gravity",
     .frame_width  = 960,
     .frame_height = 720,
   };
 
-  background = u32_from_rgb(.0f, .0f, .08f);
-  time_0     = p_time();
+  time_0 = p_time();
 
   srand(p_time());