Update C sources and examples

examples/text/raylib_fonts/main.go

@@ -0,0 +1,74 @@
+package main
+
+import (
+	"github.com/gen2brain/raylib-go/raylib"
+)
+
+const maxFonts = 8
+
+func main() {
+	screenWidth := int32(800)
+	screenHeight := int32(450)
+
+	raylib.InitWindow(screenWidth, screenHeight, "raylib [text] example - raylib fonts")
+
+	fonts := make([]raylib.SpriteFont, maxFonts)
+	fonts[0] = raylib.LoadSpriteFont("fonts/alagard.png")
+	fonts[1] = raylib.LoadSpriteFont("fonts/pixelplay.png")
+	fonts[2] = raylib.LoadSpriteFont("fonts/mecha.png")
+	fonts[3] = raylib.LoadSpriteFont("fonts/setback.png")
+	fonts[4] = raylib.LoadSpriteFont("fonts/romulus.png")
+	fonts[5] = raylib.LoadSpriteFont("fonts/pixantiqua.png")
+	fonts[6] = raylib.LoadSpriteFont("fonts/alpha_beta.png")
+	fonts[7] = raylib.LoadSpriteFont("fonts/jupiter_crash.png")
+
+	messages := []string{
+		"ALAGARD FONT designed by Hewett Tsoi",
+		"PIXELPLAY FONT designed by Aleksander Shevchuk",
+		"MECHA FONT designed by Captain Falcon",
+		"SETBACK FONT designed by Brian Kent (AEnigma)",
+		"ROMULUS FONT designed by Hewett Tsoi",
+		"PIXANTIQUA FONT designed by Gerhard Grossmann",
+		"ALPHA_BETA FONT designed by Brian Kent (AEnigma)",
+		"JUPITER_CRASH FONT designed by Brian Kent (AEnigma)",
+	}
+
+	spacings := []int32{2, 4, 8, 4, 3, 4, 4, 1}
+	positions := make([]raylib.Vector2, maxFonts)
+
+	var i int32
+	for i = 0; i < maxFonts; i++ {
+		x := screenWidth/2 - int32(raylib.MeasureTextEx(fonts[i], messages[i], float32(fonts[i].BaseSize*2), spacings[i]).X/2)
+		y := 60 + fonts[i].BaseSize + 45*i
+		positions[i] = raylib.NewVector2(float32(x), float32(y))
+	}
+
+	// Small Y position corrections
+	positions[3].Y += 8
+	positions[4].Y += 2
+	positions[7].Y -= 8
+
+	colors := []raylib.Color{raylib.Maroon, raylib.Orange, raylib.DarkGreen, raylib.DarkBlue, raylib.DarkPurple, raylib.Lime, raylib.Gold, raylib.DarkBrown}
+
+	raylib.SetTargetFPS(60)
+
+	for !raylib.WindowShouldClose() {
+		raylib.BeginDrawing()
+
+		raylib.ClearBackground(raylib.RayWhite)
+		raylib.DrawText("free fonts included with raylib", 250, 20, 20, raylib.DarkGray)
+		raylib.DrawLine(220, 50, 590, 50, raylib.DarkGray)
+
+		for i = 0; i < maxFonts; i++ {
+			raylib.DrawTextEx(fonts[i], messages[i], positions[i], float32(fonts[i].BaseSize*2), spacings[i], colors[i])
+		}
+
+		raylib.EndDrawing()
+	}
+
+	for i = 0; i < maxFonts; i++ {
+		raylib.UnloadSpriteFont(fonts[i])
+	}
+
+	raylib.CloseWindow()
+}