code / tomo-game

   1 # Raylib wrapper for some functions and structs
   2 use -lraylib
   3 use <raylib.h>
   4 use <raymath.h>
   5 
   6 struct Color(r,g,b:Byte,a=Byte(255))
   7 struct Rectangle(x,y,width,height:Num32)
   8     func draw(r:Rectangle, color:Color)
   9         DrawRectangleRec(r, color)
  10 
  11 struct Vector2(x,y:Num32)
  12     ZERO := Vector2(0, 0)
  13     func plus(a,b:Vector2->Vector2; inline)
  14         return Vector2(a.x+b.x, a.y+b.y)
  15     func minus(a,b:Vector2->Vector2; inline)
  16         return Vector2(a.x-b.x, a.y-b.y)
  17     func times(a,b:Vector2->Vector2; inline)
  18         return Vector2(a.x*b.x, a.y*b.y)
  19     func negative(v:Vector2->Vector2; inline)
  20         return Vector2(-v.x, -v.y)
  21     func dot(a,b:Vector2->Num32; inline)
  22         return ((a.x-b.x)*(a.x-b.x) + (a.y-b.y)*(a.y-b.y))
  23     func cross(a,b:Vector2->Num32; inline)
  24         return a.x*b.y - a.y*b.x
  25     func scaled_by(v:Vector2, k:Num32->Vector2; inline)
  26         return Vector2(v.x*k, v.y*k)
  27     func divided_by(v:Vector2, divisor:Num32->Vector2; inline)
  28         return Vector2(v.x/divisor, v.y/divisor)
  29     func length(v:Vector2->Num32; inline)
  30         return (v.x*v.x + v.y*v.y).sqrt()
  31     func dist(a,b:Vector2->Num32; inline)
  32         return a.minus(b).length()
  33     func angle(v:Vector2->Num32; inline)
  34         return Num32.atan2(v.y, v.x)
  35     func norm(v:Vector2->Vector2; inline)
  36         if v.x == 0 and v.y == 0
  37             return v
  38         len := v.length()
  39         return Vector2(v.x/len, v.y/len)
  40     func rotated(v:Vector2, radians:Num32 -> Vector2)
  41         cos := radians.cos() or return v
  42         sin := radians.sin() or return v
  43         return Vector2(cos*v.x - sin*v.y, sin*v.x + cos*v.y)
  44     func mix(a,b:Vector2, amount:Num32 -> Vector2)
  45         return Vector2(
  46             amount.mix(a.x, b.x),
  47             amount.mix(a.y, b.y),
  48         )
  49 
  50 func InitWindow(width:Int32, height:Int32, title:CString)
  51     C_code `InitWindow(@width, @height, @title);`
  52 
  53 func SetTargetFPS(fps:Int32)
  54     C_code `SetTargetFPS(@fps);`
  55 
  56 func WindowShouldClose(->Bool)
  57     return C_code:Bool`WindowShouldClose()`
  58 
  59 func GetFrameTime(->Num32)
  60     return C_code:Num32`GetFrameTime()`
  61 
  62 func BeginDrawing()
  63     C_code `BeginDrawing();`
  64 
  65 func EndDrawing()
  66     C_code `EndDrawing();`
  67 
  68 func CloseWindow()
  69     C_code `CloseWindow();`
  70 
  71 func ClearBackground(color:Color)
  72     C_code `ClearBackground((Color){@color.r, @color.g, @color.b, @color.a});`
  73 
  74 func DrawRectangle(x,y,width,height:Int32, color:Color)
  75     C_code `DrawRectangleRec((Rectangle){@x,@y,@width,@height},(Color){@color.r, @color.g, @color.b, @color.a});`
  76 
  77 func DrawRectangleRec(rec:Rectangle, color:Color)
  78     C_code `DrawRectangleRec((Rectangle){@rec.x,@rec.y,@rec.width,@rec.height},(Color){@color.r, @color.g, @color.b, @color.a});`
  79 
  80 func DrawRectangleV(pos:Vector2, size:Vector2, color:Color)
  81     C_code `DrawRectangleV((Vector2){@pos.x,@pos.y}, (Vector2){@size.x,@size.y},(Color){@color.r, @color.g, @color.b, @color.a});`
  82 
  83 func DrawText(text:CString, x,y:Int32, text_height:Int32, color:Color)
  84     C_code `DrawText(@text, @x, @y, @text_height, (Color){@color.r, @color.g, @color.b, @color.a});`
  85 
  86 func GetScreenWidth(->Int32)
  87     return C_code:Int32`GetScreenWidth()`
  88 
  89 func GetScreenHeight(->Int32)
  90     return C_code:Int32`GetScreenHeight()`