game_t and example rendering functions

1 files changed, 30 insertions, 0 deletions

diff --git a/source/render.c b/source/render.c
new file mode 100644
index 0000000..3271b99
--- /dev/null
+++ b/source/render.c
@@ -0,0 +1,30 @@
+#include "all.h"
+
+void draw_square_grid(game_t * game, size_t frame, int size, Texture * texture, int * array, size_t length) {
+  (void)texture;
+  float square_length = size;
+  size_t square = floor(sqrt(length));
+  size_t j, i;
+  float x = game->frame_x[frame], y = game->frame_y[frame];
+  for (i = 0; i < square; ++i) {
+    for (j = 0; j < square; ++j) {
+      DrawRectangleV((Vector2){x+i*square_length, y+j*square_length},
+		     (Vector2){square_length, square_length},
+		     (Color){80+array[(i*square)+(j)]*18, 0, 0, 255});
+    }
+  }
+}
+
+/* void draw_vertical_bargraph(game_t * game, size_t frame, int size, Color color, int * array, size_t length) { */
+/* } */
+
+void draw_centered_text(game_t * game, size_t frame, int font_size, Color color, char * format, ...) {
+  char buffer[TEXT_BUFFER_LIMIT];
+  va_list ap;
+  va_start(ap, format);
+  vsnprintf(buffer, TEXT_BUFFER_LIMIT, format, ap);
+  va_end(ap);
+  Vector2 v = MeasureTextEx(game->font, buffer, font_size, 1);
+  float x = game->frame_x[frame], y = game->frame_y[frame];
+  DrawTextEx(game->font, buffer, (Vector2){x-v.x/2, y-v.y/2}, font_size, 1, color);
+}