feat(ada): implement

README.md

@@ -2,3 +2,5 @@
 
 Bouncing logos in different programming languages.  
 Get raylib at https://github.com/raysan5/raylib. Idea stolen from https://tsoding.github.io.  
+  
+All projects are build using `make`, so all commands you need are inside `Makefile`s.

ada/Makefile

@@ -0,0 +1,6 @@
+raylib_ada: main.adb
+	gnatmake main.adb -o raylib_ada \
+		-I../_raylib-5.5_linux_amd64/include \
+		-largs ../_raylib-5.5_linux_amd64/lib/libraylib.a \
+		-lm
+	rm -f main.ali main.o

ada/main.adb

@@ -0,0 +1,147 @@
+with Interfaces.C;         use Interfaces.C;
+with Interfaces.C.Strings; use Interfaces.C.Strings;
+with Ada.Calendar;
+with System;
+
+procedure Main is
+
+   WINDOW_WIDTH  : constant := 800;
+   WINDOW_HEIGHT : constant := 600;
+   LOGO_HEIGHT   : constant := 64;
+   LOGO_SPEED    : constant float := 300.0;
+
+   type Unsigned_Char is mod 2 ** 8;
+   for Unsigned_Char'Size use 8;
+
+   type Color is record
+      R, G, B, A : Unsigned_Char;
+   end record;
+   pragma Convention (C_Pass_By_Copy, Color);
+
+   type Vector2 is record
+      X, Y : float;
+   end record;
+   pragma Convention (C_Pass_By_Copy, Vector2);
+
+   type Image is record
+      Data    : System.Address;
+      Width   : int;
+      Height  : int;
+      Mipmaps : int;
+      Format  : int;
+   end record;
+   pragma Convention (C_Pass_By_Copy, Image);
+
+   type Texture2D is record
+      Id      : unsigned;
+      Width   : int;
+      Height  : int;
+      Mipmaps : int;
+      Format  : int;
+   end record;
+   pragma Convention (C_Pass_By_Copy, Texture2D);
+
+   BLACK : constant Color := (R => 0,   G => 0,   B => 0,   A => 255);
+   WHITE : constant Color := (R => 255, G => 255, B => 255, A => 255);
+
+   procedure Init_Window (Width : int; Height : int; Title : chars_ptr);
+   pragma Import (C, Init_Window, "InitWindow");
+
+   procedure Set_Target_FPS (Fps : int);
+   pragma Import (C, Set_Target_FPS, "SetTargetFPS");
+
+   procedure Set_Random_Seed (Seed : unsigned);
+   pragma Import (C, Set_Random_Seed, "SetRandomSeed");
+
+   function Load_Image (File_Name : chars_ptr) return Image;
+   pragma Import (C, Load_Image, "LoadImage");
+
+   procedure Image_Resize (Img : access Image; New_Width : int; New_Height : int);
+   pragma Import (C, Image_Resize, "ImageResize");
+
+   function Load_Texture_From_Image (Img : Image) return Texture2D;
+   pragma Import (C, Load_Texture_From_Image, "LoadTextureFromImage");
+
+   procedure Unload_Image (Img : Image);
+   pragma Import (C, Unload_Image, "UnloadImage");
+
+   function Get_Random_Value (Min : int; Max : int) return int;
+   pragma Import (C, Get_Random_Value, "GetRandomValue");
+
+   function Window_Should_Close return int;
+   pragma Import (C, Window_Should_Close, "WindowShouldClose");
+
+   function Get_Frame_Time return float;
+   pragma Import (C, Get_Frame_Time, "GetFrameTime");
+
+   procedure Begin_Drawing;
+   pragma Import (C, Begin_Drawing, "BeginDrawing");
+
+   procedure End_Drawing;
+   pragma Import (C, End_Drawing, "EndDrawing");
+
+   procedure Clear_Background (C : Color);
+   pragma Import (C, Clear_Background, "ClearBackground");
+
+   procedure Draw_Texture_V (Tex : Texture2D; Pos : Vector2; Tint : Color);
+   pragma Import (C, Draw_Texture_V, "DrawTextureV");
+
+   procedure Unload_Texture (Tex : Texture2D);
+   pragma Import (C, Unload_Texture, "UnloadTexture");
+
+   procedure Close_Window;
+   pragma Import (C, Close_Window, "CloseWindow");
+
+   use type System.Address;
+
+   Logo_Image   : aliased Image;
+   Logo_Texture : Texture2D;
+   X, Y         : float;
+   Dx, Dy       : float;
+   Delta_Time   : float;
+   Seed         : unsigned;
+
+begin
+   Init_Window (WINDOW_WIDTH, WINDOW_HEIGHT, New_String ("Raylib in Ada"));
+   Set_Target_FPS (60);
+
+   Seed := unsigned (Ada.Calendar.Seconds (Ada.Calendar.Clock));
+   Set_Random_Seed (Seed);
+
+   Logo_Image := Load_Image (New_String ("./ada_logo.png"));
+   Image_Resize (Logo_Image'Access,
+                 Logo_Image.Width * LOGO_HEIGHT / Logo_Image.Height,
+                 LOGO_HEIGHT);
+   Logo_Texture := Load_Texture_From_Image (Logo_Image);
+   Unload_Image (Logo_Image);
+
+   X := float (Get_Random_Value (0, WINDOW_WIDTH - Logo_Texture.Width));
+   Y := float (Get_Random_Value (0, WINDOW_HEIGHT - Logo_Texture.Height));
+
+   Dx := (if Get_Random_Value (0, 1) = 1 then -LOGO_SPEED else LOGO_SPEED);
+   Dy := (if Get_Random_Value (0, 1) = 1 then -LOGO_SPEED else LOGO_SPEED);
+
+   while Window_Should_Close = 0 loop
+      Delta_Time := Get_Frame_Time;
+
+      X := X + Dx * Delta_Time;
+      Y := Y + Dy * Delta_Time;
+
+      if X < 0.0 or else X + float (Logo_Texture.Width) >= float (WINDOW_WIDTH) - 1.0 then
+         Dx := -Dx;
+         X := X + Dx * Delta_Time;
+      end if;
+      if Y < 0.0 or else Y + float (Logo_Texture.Height) >= float (WINDOW_HEIGHT) - 1.0 then
+         Dy := -Dy;
+         Y := Y + Dy * Delta_Time;
+      end if;
+
+      Begin_Drawing;
+      Clear_Background (BLACK);
+      Draw_Texture_V (Logo_Texture, (X => X, Y => Y), WHITE);
+      End_Drawing;
+   end loop;
+
+   Unload_Texture (Logo_Texture);
+   Close_Window;
+end Main;

c/main.c

@@ -4,7 +4,7 @@
 
 #define WINDOW_WIDTH 800
 #define WINDOW_HEIGHT 600
-#define LOGO_SCALE 0.04f
+#define LOGO_HEIGHT 64
 #define LOGO_SPEED 300
 
 int main()
@@ -13,13 +13,13 @@ int main()
     SetTargetFPS(60);
     SetRandomSeed(time(NULL));
 
-    Texture2D logo_texture = LoadTexture("./c_logo.png");
+    Image logo_image = LoadImage("./c_logo.png");
+    ImageResize(&logo_image, logo_image.width * LOGO_HEIGHT / logo_image.height, LOGO_HEIGHT);
+    Texture2D logo_texture = LoadTextureFromImage(logo_image);
+    UnloadImage(logo_image);
 
-    float logo_width = logo_texture.width * LOGO_SCALE;
-    float logo_height = logo_texture.height * LOGO_SCALE;
-
-    float x = GetRandomValue(0, WINDOW_WIDTH - logo_width);
-    float y = GetRandomValue(0, WINDOW_HEIGHT - logo_height);
+    float x = GetRandomValue(0, WINDOW_WIDTH - logo_texture.width);
+    float y = GetRandomValue(0, WINDOW_HEIGHT - logo_texture.height);
 
     float dx = LOGO_SPEED * (GetRandomValue(0, 1) ? -1 : 1);
     float dy = LOGO_SPEED * (GetRandomValue(0, 1) ? -1 : 1);
@@ -31,12 +31,12 @@ int main()
         x += dx * delta_time;
         y += dy * delta_time;
 
-        if (x < 0 || (x + logo_width) >= WINDOW_WIDTH - 1)
+        if (x < 0 || (x + logo_texture.width) >= WINDOW_WIDTH - 1)
         {
             dx *= -1;
             x += dx * delta_time;
         }
-        if (y < 0 || (y + logo_height) >= WINDOW_HEIGHT - 1)
+        if (y < 0 || (y + logo_texture.height) >= WINDOW_HEIGHT - 1)
         {
             dy *= -1;
             y += dy * delta_time;
@@ -45,7 +45,7 @@ int main()
         BeginDrawing();
 
         ClearBackground(BLACK);
-        DrawTextureEx(logo_texture, (Vector2){x, y}, 0, LOGO_SCALE, WHITE);
+        DrawTextureV(logo_texture, (Vector2){x, y}, WHITE);
 
         EndDrawing();
     }

csharp/main.cs

@@ -1,7 +1,18 @@
+using System;
 using System.Runtime.InteropServices;
 
 static class Program
 {
+    [StructLayout(LayoutKind.Sequential)]
+    struct Image
+    {
+        public IntPtr data;
+        public int width;
+        public int height;
+        public int mipmaps;
+        public int format;
+    }
+
     [StructLayout(LayoutKind.Sequential)]
     struct Texture2D
     {
@@ -31,14 +42,16 @@ static class Program
     private const string RAYLIB = "../_raylib-5.5_linux_amd64/lib/libraylib.so";
 
     [DllImport(RAYLIB)] private static extern void InitWindow(int width, int height, string title);
-
     [DllImport(RAYLIB)] private static extern void CloseWindow();
 
     [DllImport(RAYLIB)] private static extern void SetTargetFPS(int fps);
     [DllImport(RAYLIB)] private static extern void SetRandomSeed(uint seed);
     [DllImport(RAYLIB)] private static extern int GetRandomValue(int min, int max);
 
-    [DllImport(RAYLIB)] private static extern Texture2D LoadTexture(string file_name);
+    [DllImport(RAYLIB)] private static extern Image LoadImage(string file_name);
+    [DllImport(RAYLIB)] private static extern void ImageResize(ref Image image, int new_width, int new_height);
+    [DllImport(RAYLIB)] private static extern Texture2D LoadTextureFromImage(Image image);
+    [DllImport(RAYLIB)] private static extern void UnloadImage(Image image);
     [DllImport(RAYLIB)] private static extern void UnloadTexture(Texture2D texture);
 
     [DllImport(RAYLIB)] private static extern bool WindowShouldClose();
@@ -46,12 +59,12 @@ static class Program
 
     [DllImport(RAYLIB)] private static extern void BeginDrawing();
     [DllImport(RAYLIB)] private static extern void ClearBackground(Color color);
-    [DllImport(RAYLIB)] private static extern void DrawTextureEx(Texture2D texture, Vector2 position, float rotation, float scale, Color tint);
+    [DllImport(RAYLIB)] private static extern void DrawTextureV(Texture2D texture, Vector2 position, Color tint);
     [DllImport(RAYLIB)] private static extern void EndDrawing();
 
     private const int WINDOW_WIDTH = 800;
     private const int WINDOW_HEIGHT = 600;
-    private const float LOGO_SCALE = 0.05f;
+    private const int LOGO_HEIGHT = 64;
     private const float LOGO_SPEED = 300;
 
     private static Color BLACK = new Color() { r = 0, g = 0, b = 0, a = 255 };
@@ -62,13 +75,13 @@ static class Program
         InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Raylib in C#");
         SetTargetFPS(60);
 
-        Texture2D logo_texture = LoadTexture("./csharp_logo.png");
+        Image logo_image = LoadImage("./csharp_logo.png");
+        ImageResize(ref logo_image, logo_image.width * LOGO_HEIGHT / logo_image.height, LOGO_HEIGHT);
+        Texture2D logo_texture = LoadTextureFromImage(logo_image);
+        UnloadImage(logo_image);
 
-        int logo_width = (int)(logo_texture.width * LOGO_SCALE);
-        int logo_height = (int)(logo_texture.height * LOGO_SCALE);
-
-        float x = GetRandomValue(0, WINDOW_WIDTH - logo_width);
-        float y = GetRandomValue(0, WINDOW_HEIGHT - logo_height);
+        float x = GetRandomValue(0, WINDOW_WIDTH - logo_texture.width);
+        float y = GetRandomValue(0, WINDOW_HEIGHT - logo_texture.height);
 
         float dx = LOGO_SPEED * (GetRandomValue(0, 1) == 1 ? -1 : 1);
         float dy = LOGO_SPEED * (GetRandomValue(0, 1) == 1 ? -1 : 1);
@@ -80,12 +93,12 @@ static class Program
             x += dx * delta_time;
             y += dy * delta_time;
 
-            if (x < 0 || (x + logo_width) >= WINDOW_WIDTH - 1)
+            if (x < 0 || (x + logo_texture.width) >= WINDOW_WIDTH - 1)
             {
                 dx *= -1;
                 x += dx * delta_time;
             }
-            if (y < 0 || (y + logo_height) >= WINDOW_HEIGHT - 1)
+            if (y < 0 || (y + logo_texture.height) >= WINDOW_HEIGHT - 1)
             {
                 dy *= -1;
                 y += dy * delta_time;
@@ -94,7 +107,7 @@ static class Program
             BeginDrawing();
 
             ClearBackground(BLACK);
-            DrawTextureEx(logo_texture, new Vector2() { x = x, y = y }, 0, LOGO_SCALE, WHITE);
+            DrawTextureV(logo_texture, new Vector2() { x = x, y = y }, WHITE);
 
             EndDrawing();
         }

d/main.d

@@ -1,6 +1,14 @@
 import std.stdio;
 import std.datetime;
 
+struct Image {
+    void* data;
+    int width;
+    int height;
+    int mipmaps;
+    int format;
+}
+
 struct Texture2D {
     uint id;
     int width;
@@ -29,7 +37,10 @@ extern(C):
     void SetRandomSeed(uint seed);
     int GetRandomValue(int min, int max);
 
-    Texture2D LoadTexture(const char* file_name);
+    Image LoadImage(const char* file_name);
+    void ImageResize(Image* image, int new_width, int new_height);
+    Texture2D LoadTextureFromImage(Image image);
+    void UnloadImage(Image image);
     void UnloadTexture(Texture2D texture);
 
     bool WindowShouldClose();
@@ -37,29 +48,29 @@ extern(C):
 
     void BeginDrawing();
     void ClearBackground(Color color);
-    void DrawTextureEx(Texture2D texture, Vector2 position, float rotation, float scale, Color tint);
+    void DrawTextureV(Texture2D texture, Vector2 position, Color tint);
     void EndDrawing();
 
 const int WINDOW_WIDTH = 800;
 const int WINDOW_HEIGHT = 600;
-const float LOGO_SCALE = 0.1f;
+const int LOGO_HEIGHT = 64;
 const float LOGO_SPEED = 300;
 
 const Color BLACK = Color(0, 0, 0, 255);
 const Color WHITE = Color(255, 255, 255, 255);
 
 void main() {
-    InitWindow(800, 600, "Raylib in D");
+    InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Raylib in D");
     SetTargetFPS(60);
     SetRandomSeed(cast(uint)Clock.currStdTime());
 
-    Texture2D logo_texture = LoadTexture("./d_logo.png");
+    Image logo_image = LoadImage("./d_logo.png");
+    ImageResize(&logo_image, logo_image.width * LOGO_HEIGHT / logo_image.height, LOGO_HEIGHT);
+    Texture2D logo_texture = LoadTextureFromImage(logo_image);
+    UnloadImage(logo_image);
 
-    int logo_width = cast(int)(logo_texture.width * LOGO_SCALE);
-    int logo_height = cast(int)(logo_texture.height * LOGO_SCALE);
-
-    float x = GetRandomValue(0, WINDOW_WIDTH - logo_width);
-    float y = GetRandomValue(0, WINDOW_HEIGHT - logo_height);
+    float x = GetRandomValue(0, WINDOW_WIDTH - logo_texture.width);
+    float y = GetRandomValue(0, WINDOW_HEIGHT - logo_texture.height);
 
     float dx = LOGO_SPEED * (GetRandomValue(0, 1) ? -1 : 1);
     float dy = LOGO_SPEED * (GetRandomValue(0, 1) ? -1 : 1);
@@ -70,12 +81,12 @@ void main() {
         x += dx * delta_time;
         y += dy * delta_time;
 
-        if (x < 0 || (x + logo_width) >= WINDOW_WIDTH - 1)
+        if (x < 0 || (x + logo_texture.width) >= WINDOW_WIDTH - 1)
         {
             dx *= -1;
             x += dx * delta_time;
         }
-        if (y < 0 || (y + logo_height) >= WINDOW_HEIGHT - 1)
+        if (y < 0 || (y + logo_texture.height) >= WINDOW_HEIGHT - 1)
         {
             dy *= -1;
             y += dy * delta_time;
@@ -84,7 +95,7 @@ void main() {
         BeginDrawing();
 
         ClearBackground(BLACK);
-        DrawTextureEx(logo_texture, Vector2(x, y), 0, LOGO_SCALE, WHITE);
+        DrawTextureV(logo_texture, Vector2(x, y), WHITE);
 
         EndDrawing();
     }

go/Makefile

@@ -0,0 +1,2 @@
+raylib_go: main.go
+	go build -o raylib_go main.go

go/README.md

@@ -0,0 +1,8 @@
+# Raylib in Go
+
+## Quick start
+
+```sh
+$ make
+$ ./raylib_go
+```

go/main.go

@@ -0,0 +1,66 @@
+package main
+
+/*
+#cgo CFLAGS: -I../_raylib-5.5_linux_amd64/include
+#cgo LDFLAGS: -L../_raylib-5.5_linux_amd64/lib -l:libraylib.a -lm
+#include <raylib.h>
+*/
+import "C"
+import "time"
+
+const (
+	windowWidth  = 800
+	windowHeight = 600
+	logoHeight   = 64
+	logoSpeed    = 300.0
+)
+
+func main() {
+	C.InitWindow(windowWidth, windowHeight, C.CString("Raylib in Go"))
+	C.SetTargetFPS(60)
+	C.SetRandomSeed(C.uint(time.Now().Unix()))
+
+	logoImage := C.LoadImage(C.CString("./go_logo.png"))
+	C.ImageResize(&logoImage, logoImage.width*logoHeight/logoImage.height, logoHeight)
+	logoTexture := C.LoadTextureFromImage(logoImage)
+	C.UnloadImage(logoImage)
+
+	x := float32(C.GetRandomValue(0, windowWidth-C.int(logoTexture.width)))
+	y := float32(C.GetRandomValue(0, windowHeight-C.int(logoTexture.height)))
+
+	dx := float32(logoSpeed)
+	if C.GetRandomValue(0, 1) == 1 {
+		dx = -dx
+	}
+	dy := float32(logoSpeed)
+	if C.GetRandomValue(0, 1) == 1 {
+		dy = -dy
+	}
+
+	black := C.Color{0, 0, 0, 255}
+	white := C.Color{255, 255, 255, 255}
+
+	for !bool(C.WindowShouldClose()) {
+		deltaTime := float32(C.GetFrameTime())
+
+		x += dx * deltaTime
+		y += dy * deltaTime
+
+		if x < 0 || x+float32(logoTexture.width) >= windowWidth-1 {
+			dx *= -1
+			x += dx * deltaTime
+		}
+		if y < 0 || y+float32(logoTexture.height) >= windowHeight-1 {
+			dy *= -1
+			y += dy * deltaTime
+		}
+
+		C.BeginDrawing()
+		C.ClearBackground(black)
+		C.DrawTextureV(logoTexture, C.Vector2{x: C.float(x), y: C.float(y)}, white)
+		C.EndDrawing()
+	}
+
+	C.UnloadTexture(logoTexture)
+	C.CloseWindow()
+}

odin/Makefile

@@ -0,0 +1,2 @@
+raylib_odin: main.odin
+	odin build main.odin -file -out:raylib_odin

odin/README.md

@@ -0,0 +1,8 @@
+# Raylib in Odin
+
+## Quick start
+
+```sh
+$ make
+$ ./raylib_odin
+```

odin/main.odin

@@ -0,0 +1,107 @@
+package main
+
+import "core:time"
+
+foreign import raylib {
+	"../_raylib-5.5_linux_amd64/lib/libraylib.a",
+	"system:m",
+}
+
+Image :: struct {
+	data:    rawptr,
+	width:   i32,
+	height:  i32,
+	mipmaps: i32,
+	format:  i32,
+}
+
+Texture2D :: struct {
+	id:      u32,
+	width:   i32,
+	height:  i32,
+	mipmaps: i32,
+	format:  i32,
+}
+
+Vector2 :: struct {
+	x: f32,
+	y: f32,
+}
+
+Color :: struct {
+	r: u8,
+	g: u8,
+	b: u8,
+	a: u8,
+}
+
+@(default_calling_convention = "c")
+foreign raylib {
+	InitWindow           :: proc(width: i32, height: i32, title: cstring) ---
+	CloseWindow          :: proc() ---
+	SetTargetFPS         :: proc(fps: i32) ---
+	SetRandomSeed        :: proc(seed: u32) ---
+	GetRandomValue       :: proc(min: i32, max: i32) -> i32 ---
+	LoadImage            :: proc(file_name: cstring) -> Image ---
+	ImageResize          :: proc(image: ^Image, new_width: i32, new_height: i32) ---
+	LoadTextureFromImage :: proc(image: Image) -> Texture2D ---
+	UnloadImage          :: proc(image: Image) ---
+	UnloadTexture        :: proc(texture: Texture2D) ---
+	WindowShouldClose    :: proc() -> bool ---
+	GetFrameTime         :: proc() -> f32 ---
+	BeginDrawing         :: proc() ---
+	ClearBackground      :: proc(color: Color) ---
+	DrawTextureV         :: proc(texture: Texture2D, position: Vector2, tint: Color) ---
+	EndDrawing           :: proc() ---
+}
+
+WINDOW_WIDTH  :: 800
+WINDOW_HEIGHT :: 600
+LOGO_HEIGHT   :: 64
+LOGO_SPEED    :: 300
+
+BLACK :: Color{0, 0, 0, 255}
+WHITE :: Color{255, 255, 255, 255}
+
+main :: proc() {
+	InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Raylib in Odin")
+	SetTargetFPS(60)
+	SetRandomSeed(cast(u32)time.now()._nsec)
+
+	logo_image := LoadImage("./odin_logo.png")
+	ImageResize(&logo_image, logo_image.width * LOGO_HEIGHT / logo_image.height, LOGO_HEIGHT)
+	logo_texture := LoadTextureFromImage(logo_image)
+	UnloadImage(logo_image)
+
+	x := f32(GetRandomValue(0, WINDOW_WIDTH - logo_texture.width))
+	y := f32(GetRandomValue(0, WINDOW_HEIGHT - logo_texture.height))
+
+	dx: f32 = LOGO_SPEED
+	if GetRandomValue(0, 1) == 1 do dx = -dx
+	dy: f32 = LOGO_SPEED
+	if GetRandomValue(0, 1) == 1 do dy = -dy
+
+	for !WindowShouldClose() {
+		delta_time := GetFrameTime()
+
+		x += dx * delta_time
+		y += dy * delta_time
+
+		if x < 0 || x + f32(logo_texture.width) >= WINDOW_WIDTH - 1 {
+			dx *= -1
+			x += dx * delta_time
+		}
+		if y < 0 || y + f32(logo_texture.height) >= WINDOW_HEIGHT - 1 {
+			dy *= -1
+			y += dy * delta_time
+		}
+
+		BeginDrawing()
+		ClearBackground(BLACK)
+		DrawTextureV(logo_texture, Vector2{x, y}, WHITE)
+		EndDrawing()
+	}
+
+	UnloadTexture(logo_texture)
+	CloseWindow()
+}

python/main.py

@@ -3,6 +3,15 @@ from time import time
 
 rl = CDLL("../_raylib-5.5_linux_amd64/lib/libraylib.so")
 
+class Image(Structure):
+    _fields_ = [
+        ("data", c_void_p),
+        ("width", c_int),
+        ("height", c_int),
+        ("mipmaps", c_int),
+        ("format", c_int),
+    ]
+
 class Texture2D(Structure):
     _fields_ = [
         ("id", c_uint),
@@ -26,28 +35,29 @@ class Color(Structure):
         ("a", c_ubyte),
     ]
 
-rl.LoadTexture.restype = Texture2D
+rl.LoadImage.restype = Image
+rl.LoadTextureFromImage.restype = Texture2D
 rl.GetFrameTime.restype = c_float
 
 WINDOW_WIDTH = 800
 WINDOW_HEIGHT = 600
-LOGO_SCALE = 0.04
+LOGO_HEIGHT = 64
 LOGO_SPEED = 300
 BLACK = Color(r=0,g=0,b=0,a=255)
 WHITE = Color(r=255,g=255,b=255,a=255)
 
 
-rl.InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Raylib in Python")
+rl.InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, b"Raylib in Python")
 rl.SetTargetFPS(60)
 rl.SetRandomSeed(int(time()))
 
-logo_texture: Texture2D = rl.LoadTexture(b"./python_logo.png")
+logo_image = rl.LoadImage(b"./python_logo.png")
+rl.ImageResize(byref(logo_image), logo_image.width * LOGO_HEIGHT // logo_image.height, LOGO_HEIGHT)
+logo_texture = rl.LoadTextureFromImage(logo_image)
+rl.UnloadImage(logo_image)
 
-logo_width = int(logo_texture.width * LOGO_SCALE)
-logo_height = int(logo_texture.height * LOGO_SCALE)
-
-x = rl.GetRandomValue(0, WINDOW_WIDTH - logo_width)
-y = rl.GetRandomValue(0, WINDOW_HEIGHT - logo_height)
+x = rl.GetRandomValue(0, WINDOW_WIDTH - logo_texture.width)
+y = rl.GetRandomValue(0, WINDOW_HEIGHT - logo_texture.height)
 
 dx = LOGO_SPEED * (-1 if rl.GetRandomValue(0, 1) else 1)
 dy = LOGO_SPEED * (-1 if rl.GetRandomValue(0, 1) else 1)
@@ -58,17 +68,17 @@ while not rl.WindowShouldClose():
     x += dx * delta_time
     y += dy * delta_time
 
-    if x < 0 or (x + logo_width) >= WINDOW_WIDTH - 1:
+    if x < 0 or (x + logo_texture.width) >= WINDOW_WIDTH - 1:
         dx *= -1
         x += dx * delta_time
-    if y < 0 or (y + logo_height) >= WINDOW_HEIGHT - 1:
+    if y < 0 or (y + logo_texture.height) >= WINDOW_HEIGHT - 1:
         dy *= -1
         y += dy * delta_time
 
     rl.BeginDrawing()
 
     rl.ClearBackground(BLACK)
-    rl.DrawTextureEx(logo_texture, Vector2(x=x, y=y), c_float(0), c_float(LOGO_SCALE), WHITE)
+    rl.DrawTextureV(logo_texture, Vector2(x=x, y=y), WHITE)
 
     rl.EndDrawing()
 

rust/Makefile

@@ -1,2 +1,2 @@
 raylib_rust: main.rs
-	rustc main.rs -C link-args="-L ../_raylib-5.5_linux_amd64/lib -l:libraylib.a -lm" -o raylib_rust
+	rustc --edition 2021 main.rs -C link-args="-L ../_raylib-5.5_linux_amd64/lib -l:libraylib.a -lm" -o raylib_rust

rust/main.rs

@@ -1,17 +1,20 @@
 use std::{
-    ffi::{c_float, c_int, c_uchar, c_uint},
+    ffi::{c_char, c_float, c_int, c_uchar, c_uint, c_void},
     time::{SystemTime, UNIX_EPOCH},
 };
 
 extern "C" {
-    fn InitWindow(width: c_int, height: c_int, title: *const u8);
+    fn InitWindow(width: c_int, height: c_int, title: *const c_char);
     fn CloseWindow();
 
     fn SetTargetFPS(fps: c_int);
     fn SetRandomSeed(seed: c_uint);
     fn GetRandomValue(min: c_int, max: c_int) -> c_int;
 
-    fn LoadTexture(file_name: *const u8) -> Texture2D;
+    fn LoadImage(file_name: *const c_char) -> Image;
+    fn ImageResize(image: *mut Image, new_width: c_int, new_height: c_int);
+    fn LoadTextureFromImage(image: Image) -> Texture2D;
+    fn UnloadImage(image: Image);
     fn UnloadTexture(texture: Texture2D);
 
     fn WindowShouldClose() -> bool;
@@ -19,16 +22,20 @@ extern "C" {
 
     fn BeginDrawing();
     fn ClearBackground(color: Color);
-    fn DrawTextureEx(
-        texture: Texture2D,
-        position: Vector2,
-        rotation: c_float,
-        scale: c_float,
-        tint: Color,
-    );
+    fn DrawTextureV(texture: Texture2D, position: Vector2, tint: Color);
     fn EndDrawing();
 }
 
+#[derive(Clone, Copy)]
+#[repr(C)]
+struct Image {
+    data: *mut c_void,
+    width: c_int,
+    height: c_int,
+    mipmaps: c_int,
+    format: c_int,
+}
+
 #[derive(Clone, Copy)]
 #[repr(C)]
 struct Texture2D {
@@ -55,7 +62,7 @@ struct Color {
 
 const WINDOW_WIDTH: c_int = 800;
 const WINDOW_HEIGHT: c_int = 600;
-const LOGO_SCALE: f32 = 0.04;
+const LOGO_HEIGHT: c_int = 64;
 const LOGO_SPEED: f32 = 300.0;
 
 const BLACK: Color = Color {
@@ -73,7 +80,7 @@ const WHITE: Color = Color {
 
 fn main() {
     unsafe {
-        InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Raylib in Rust".as_ptr());
+        InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, c"Raylib in Rust".as_ptr());
         SetTargetFPS(60);
         SetRandomSeed(
             SystemTime::now()
@@ -82,13 +89,17 @@ fn main() {
                 .as_secs() as u32,
         );
 
-        let logo_texture = LoadTexture("./rust_logo.png".as_ptr());
+        let mut logo_image = LoadImage(c"./rust_logo.png".as_ptr());
+        ImageResize(
+            &mut logo_image,
+            logo_image.width * LOGO_HEIGHT / logo_image.height,
+            LOGO_HEIGHT,
+        );
+        let logo_texture = LoadTextureFromImage(logo_image);
+        UnloadImage(logo_image);
 
-        let logo_width = (logo_texture.width as f32 * LOGO_SCALE) as i32;
-        let logo_height = (logo_texture.height as f32 * LOGO_SCALE) as i32;
-
-        let mut x = GetRandomValue(0, WINDOW_WIDTH - logo_width) as f32;
-        let mut y = GetRandomValue(0, WINDOW_HEIGHT - logo_height) as f32;
+        let mut x = GetRandomValue(0, WINDOW_WIDTH - logo_texture.width) as f32;
+        let mut y = GetRandomValue(0, WINDOW_HEIGHT - logo_texture.height) as f32;
 
         let mut dx = LOGO_SPEED * if GetRandomValue(0, 1) == 1 { -1.0 } else { 1.0 };
         let mut dy = LOGO_SPEED * if GetRandomValue(0, 1) == 1 { -1.0 } else { 1.0 };
@@ -99,11 +110,11 @@ fn main() {
             x += dx * delta_time;
             y += dy * delta_time;
 
-            if x < 0.0 || x + logo_width as f32 >= WINDOW_WIDTH as f32 - 1.0 {
+            if x < 0.0 || x + logo_texture.width as f32 >= WINDOW_WIDTH as f32 - 1.0 {
                 dx *= -1.0;
                 x += dx * delta_time;
             }
-            if y < 0.0 || y + logo_height as f32 >= WINDOW_HEIGHT as f32 - 1.0 {
+            if y < 0.0 || y + logo_texture.height as f32 >= WINDOW_HEIGHT as f32 - 1.0 {
                 dy *= -1.0;
                 y += dy * delta_time;
             }
@@ -111,7 +122,7 @@ fn main() {
             BeginDrawing();
 
             ClearBackground(BLACK);
-            DrawTextureEx(logo_texture, Vector2 { x, y }, 0.0, LOGO_SCALE, WHITE);
+            DrawTextureV(logo_texture, Vector2 { x, y }, WHITE);
 
             EndDrawing();
         }

zig/Makefile

@@ -0,0 +1,2 @@
+raylib_zig: main.zig
+	zig build-exe main.zig -I../_raylib-5.5_linux_amd64/include ../_raylib-5.5_linux_amd64/lib/libraylib.a -lm -femit-bin=raylib_zig

zig/README.md

@@ -0,0 +1,8 @@
+# Raylib in Zig
+
+## Quick start
+
+```sh
+$ make
+$ ./raylib_zig
+```

zig/main.zig

@@ -0,0 +1,53 @@
+const std = @import("std");
+const rl = @cImport({
+    @cInclude("raylib.h");
+});
+
+const WINDOW_WIDTH = 800;
+const WINDOW_HEIGHT = 600;
+const LOGO_HEIGHT = 64;
+const LOGO_SPEED: f32 = 300;
+
+const BLACK = rl.Color{ .r = 0, .g = 0, .b = 0, .a = 255 };
+const WHITE = rl.Color{ .r = 255, .g = 255, .b = 255, .a = 255 };
+
+pub fn main() void {
+    rl.InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Raylib in Zig");
+    rl.SetTargetFPS(60);
+    rl.SetRandomSeed(@intCast(std.time.timestamp()));
+
+    var logo_image = rl.LoadImage("./zig_logo.png");
+    rl.ImageResize(&logo_image, @divTrunc(logo_image.width * LOGO_HEIGHT, logo_image.height), LOGO_HEIGHT);
+    const logo_texture = rl.LoadTextureFromImage(logo_image);
+    rl.UnloadImage(logo_image);
+
+    var x: f32 = @floatFromInt(rl.GetRandomValue(0, WINDOW_WIDTH - logo_texture.width));
+    var y: f32 = @floatFromInt(rl.GetRandomValue(0, WINDOW_HEIGHT - logo_texture.height));
+
+    var dx: f32 = if (rl.GetRandomValue(0, 1) == 1) -LOGO_SPEED else LOGO_SPEED;
+    var dy: f32 = if (rl.GetRandomValue(0, 1) == 1) -LOGO_SPEED else LOGO_SPEED;
+
+    while (!rl.WindowShouldClose()) {
+        const delta_time = rl.GetFrameTime();
+
+        x += dx * delta_time;
+        y += dy * delta_time;
+
+        if (x < 0 or x + @as(f32, @floatFromInt(logo_texture.width)) >= WINDOW_WIDTH - 1) {
+            dx *= -1;
+            x += dx * delta_time;
+        }
+        if (y < 0 or y + @as(f32, @floatFromInt(logo_texture.height)) >= WINDOW_HEIGHT - 1) {
+            dy *= -1;
+            y += dy * delta_time;
+        }
+
+        rl.BeginDrawing();
+        rl.ClearBackground(BLACK);
+        rl.DrawTextureV(logo_texture, rl.Vector2{ .x = x, .y = y }, WHITE);
+        rl.EndDrawing();
+    }
+
+    rl.UnloadTexture(logo_texture);
+    rl.CloseWindow();
+}