140 lines
4.5 KiB
Go
140 lines
4.5 KiB
Go
package main
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import (
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"github.com/gen2brain/raylib-go/raylib"
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)
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func main() {
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screenWidth := int32(800)
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screenHeight := int32(450)
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raylib.InitWindow(screenWidth, screenHeight, "raylib [text] example - font selector")
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// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
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fonts := make([]raylib.SpriteFont, 8) // SpriteFont array
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fonts[0] = raylib.LoadSpriteFont("fonts/alagard.rbmf") // SpriteFont loading
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fonts[1] = raylib.LoadSpriteFont("fonts/pixelplay.rbmf") // SpriteFont loading
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fonts[2] = raylib.LoadSpriteFont("fonts/mecha.rbmf") // SpriteFont loading
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fonts[3] = raylib.LoadSpriteFont("fonts/setback.rbmf") // SpriteFont loading
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fonts[4] = raylib.LoadSpriteFont("fonts/romulus.rbmf") // SpriteFont loading
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fonts[5] = raylib.LoadSpriteFont("fonts/pixantiqua.rbmf") // SpriteFont loading
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fonts[6] = raylib.LoadSpriteFont("fonts/alpha_beta.rbmf") // SpriteFont loading
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fonts[7] = raylib.LoadSpriteFont("fonts/jupiter_crash.rbmf") // SpriteFont loading
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currentFont := 0 // Selected font
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colors := [8]raylib.Color{raylib.Maroon, raylib.Orange, raylib.DarkGreen, raylib.DarkBlue, raylib.DarkPurple, raylib.Lime, raylib.Gold, raylib.Red}
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fontNames := [8]string{"[0] Alagard", "[1] PixelPlay", "[2] MECHA", "[3] Setback", "[4] Romulus", "[5] PixAntiqua", "[6] Alpha Beta", "[7] Jupiter Crash"}
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text := "THIS is THE FONT you SELECTED!" // Main text
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textSize := raylib.MeasureTextEx(fonts[currentFont], text, float32(fonts[currentFont].Size)*3, 1)
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mousePoint := raylib.Vector2{}
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btnNextOutColor := raylib.DarkBlue // Button color (outside line)
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btnNextInColor := raylib.SkyBlue // Button color (inside)
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framesCounter := 0 // Useful to count frames button is 'active' = clicked
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positionY := int32(180) // Text selector and button Y position
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btnNextRec := raylib.NewRectangle(673, positionY, 109, 44) // Button rectangle (useful for collision)
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raylib.SetTargetFPS(60)
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for !raylib.WindowShouldClose() {
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// Update
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// Keyboard-based font selection (easy)
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if raylib.IsKeyPressed(raylib.KeyRight) {
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if currentFont < 7 {
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currentFont++
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}
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}
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if raylib.IsKeyPressed(raylib.KeyLeft) {
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if currentFont > 0 {
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currentFont--
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}
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}
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if raylib.IsKeyPressed('0') {
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currentFont = 0
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} else if raylib.IsKeyPressed('1') {
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currentFont = 1
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} else if raylib.IsKeyPressed('2') {
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currentFont = 2
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} else if raylib.IsKeyPressed('3') {
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currentFont = 3
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} else if raylib.IsKeyPressed('4') {
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currentFont = 4
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} else if raylib.IsKeyPressed('5') {
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currentFont = 5
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} else if raylib.IsKeyPressed('6') {
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currentFont = 6
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} else if raylib.IsKeyPressed('7') {
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currentFont = 7
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}
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// Mouse-based font selection (NEXT button logic)
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mousePoint = raylib.GetMousePosition()
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if raylib.CheckCollisionPointRec(mousePoint, btnNextRec) {
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// Mouse hover button logic
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if framesCounter == 0 {
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btnNextOutColor = raylib.DarkPurple
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btnNextInColor = raylib.Purple
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}
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if raylib.IsMouseButtonDown(raylib.MouseLeftButton) {
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framesCounter = 20 // Frames button is 'active'
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btnNextOutColor = raylib.Maroon
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btnNextInColor = raylib.Red
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}
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} else {
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// Mouse not hover button
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btnNextOutColor = raylib.DarkBlue
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btnNextInColor = raylib.SkyBlue
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}
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if framesCounter > 0 {
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framesCounter--
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}
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if framesCounter == 1 { // We change font on frame 1
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currentFont++
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if currentFont > 7 {
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currentFont = 0
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}
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}
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// Text measurement for better positioning on screen
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textSize = raylib.MeasureTextEx(fonts[currentFont], text, float32(fonts[currentFont].Size)*3, 1)
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// Draw
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raylib.BeginDrawing()
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raylib.ClearBackground(raylib.RayWhite)
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raylib.DrawText("font selector - use arroys, button or numbers", 160, 80, 20, raylib.DarkGray)
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raylib.DrawLine(120, 120, 680, 120, raylib.DarkGray)
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raylib.DrawRectangle(18, positionY, 644, 44, raylib.DarkGray)
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raylib.DrawRectangle(20, positionY+2, 640, 40, raylib.LightGray)
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raylib.DrawText(fontNames[currentFont], 30, positionY+13, 20, raylib.Black)
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raylib.DrawText("< >", 610, positionY+8, 30, raylib.Black)
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raylib.DrawRectangleRec(btnNextRec, btnNextOutColor)
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raylib.DrawRectangle(675, positionY+2, 105, 40, btnNextInColor)
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raylib.DrawText("NEXT", 700, positionY+13, 20, btnNextOutColor)
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raylib.DrawTextEx(fonts[currentFont], text, raylib.NewVector2(float32(screenWidth)/2-textSize.X/2, 260+(70-textSize.Y)/2), float32(fonts[currentFont].Size*3), 1, colors[currentFont])
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raylib.EndDrawing()
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}
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raylib.CloseWindow()
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}
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