From 5625a8626fe303748b205c80f87035593cf2f561 Mon Sep 17 00:00:00 2001
From: iamcheeseman <dev@iamcheeseman.net>
Date: Fri, 8 May 2026 19:30:44 -0400
Subject: Initial commit

---
 teensy/teensy.h | 108 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 teensy/teensy.h

(limited to 'teensy/teensy.h')

diff --git a/teensy/teensy.h b/teensy/teensy.h
new file mode 100644
index 0000000..c8b8e9d
--- /dev/null
+++ b/teensy/teensy.h
@@ -0,0 +1,108 @@
+#ifndef TEENSY_H_
+#define TEENSY_H_
+
+#include "common.h"
+#include "context.h"
+
+#define ty_vec2(x, y)     ((struct ty_vec2){x, y})
+#define ty_vec2i(x, y)    ((struct ty_vec2i){x, y})
+#define ty_color(R, G, B) ((struct ty_color){R, G, B})
+
+#define TY_COLOR_BLACK   ty_color(0,   0,   0  )
+#define TY_COLOR_RED     ty_color(255, 0,   0  )
+#define TY_COLOR_GREEN   ty_color(0,   255, 0  )
+#define TY_COLOR_YELLOW  ty_color(255, 255, 0  )
+#define TY_COLOR_BLUE    ty_color(0,   0,   255)
+#define TY_COLOR_MAGENTA ty_color(255, 0,   255)
+#define TY_COLOR_CYAN    ty_color(0,   255, 255)
+#define TY_COLOR_WHITE   ty_color(255, 255, 255)
+
+struct ty_creation_hints {
+    int win_width;
+    int win_height;
+    const char *win_title;
+    int ticrate;
+};
+
+struct ty_ctx {
+    struct ty_creation_hints creation_hints;
+    double ticrate;
+    double prev_tic_ts;
+};
+
+struct ty_color {
+    uint8_t r;
+    uint8_t g;
+    uint8_t b;
+};
+
+struct ty_vec2 {
+    float x;
+    float y;
+};
+
+struct ty_vec2i {
+    int x;
+    int y;
+};
+
+struct ty_rect {
+    float x;
+    float y;
+    float w;
+    float h;
+};
+
+struct ty_recti {
+    int x;
+    int y;
+    int w;
+    int h;
+};
+
+struct ty_image {
+    struct ty_color *data;
+    int width;
+    int height;
+};
+
+struct ty_renderer {
+    struct ty_image screen;
+};
+
+void ty_init(struct ty_creation_hints creation_hints);
+void ty_deinit(void);
+
+// Whether or not the main loop should continue executing.
+bool ty_is_game_running(void);
+// Gets the real time that the game has been running.
+double ty_get_time(void);
+// Handle events, tick game logic, etc. Returns the amount of times you should
+// tic.
+int ty_tick(void);
+
+struct ty_image ty_create_image(int w, int h, const struct ty_color* data);
+void ty_free_image(struct ty_image img);
+struct ty_color ty_img_get_pixel(struct ty_image img, struct ty_vec2i pos);
+void ty_img_set_pixel(
+    struct ty_image img,
+    struct ty_vec2i pos,
+    struct ty_color color
+);
+
+void ty_draw_clear(struct ty_color col);
+void ty_draw_image(struct ty_image img, struct ty_vec2i pos);
+void ty_draw_image_ex(
+    struct ty_image img,
+    struct ty_recti src,
+    struct ty_recti dst
+);
+void ty_draw_rect(struct ty_recti rect, struct ty_color color);
+void ty_draw_line(
+    struct ty_vec2i start,
+    struct ty_vec2i end,
+    struct ty_color color
+);
+void ty_draw_end(void);
+
+#endif // TEENSY_H_
-- 
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