87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/gen2brain/raylib-go/raylib"
|
|
)
|
|
|
|
const (
|
|
maxFrameSpeed = 15
|
|
minFrameSpeed = 1
|
|
)
|
|
|
|
func main() {
|
|
screenWidth := int32(800)
|
|
screenHeight := int32(450)
|
|
|
|
raylib.InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture loading and drawing")
|
|
|
|
// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
|
|
scarfy := raylib.LoadTexture("scarfy.png") // Texture loading
|
|
|
|
position := raylib.NewVector2(350.0, 280.0)
|
|
frameRec := raylib.NewRectangle(0, 0, float32(scarfy.Width/6), float32(scarfy.Height))
|
|
currentFrame := float32(0)
|
|
|
|
framesCounter := 0
|
|
framesSpeed := 8 // Number of spritesheet frames shown by second
|
|
|
|
raylib.SetTargetFPS(60)
|
|
|
|
for !raylib.WindowShouldClose() {
|
|
framesCounter++
|
|
|
|
if framesCounter >= (60 / framesSpeed) {
|
|
framesCounter = 0
|
|
currentFrame++
|
|
|
|
if currentFrame > 5 {
|
|
currentFrame = 0
|
|
}
|
|
|
|
frameRec.X = currentFrame * float32(scarfy.Width) / 6
|
|
}
|
|
|
|
if raylib.IsKeyPressed(raylib.KeyRight) {
|
|
framesSpeed++
|
|
} else if raylib.IsKeyPressed(raylib.KeyLeft) {
|
|
framesSpeed--
|
|
}
|
|
|
|
if framesSpeed > maxFrameSpeed {
|
|
framesSpeed = maxFrameSpeed
|
|
} else if framesSpeed < minFrameSpeed {
|
|
framesSpeed = minFrameSpeed
|
|
}
|
|
|
|
raylib.BeginDrawing()
|
|
|
|
raylib.ClearBackground(raylib.RayWhite)
|
|
|
|
raylib.DrawTexture(scarfy, 15, 40, raylib.White)
|
|
raylib.DrawRectangleLines(15, 40, scarfy.Width, scarfy.Height, raylib.Lime)
|
|
raylib.DrawRectangleLines(15+int32(frameRec.X), 40+int32(frameRec.Y), int32(frameRec.Width), int32(frameRec.Height), raylib.Red)
|
|
|
|
raylib.DrawText("FRAME SPEED: ", 165, 210, 10, raylib.DarkGray)
|
|
raylib.DrawText(fmt.Sprintf("%02d FPS", framesSpeed), 575, 210, 10, raylib.DarkGray)
|
|
raylib.DrawText("PRESS RIGHT/LEFT KEYS to CHANGE SPEED!", 290, 240, 10, raylib.DarkGray)
|
|
|
|
for i := 0; i < maxFrameSpeed; i++ {
|
|
if i < framesSpeed {
|
|
raylib.DrawRectangle(int32(250+21*i), 205, 20, 20, raylib.Red)
|
|
}
|
|
raylib.DrawRectangleLines(int32(250+21*i), 205, 20, 20, raylib.Maroon)
|
|
}
|
|
|
|
raylib.DrawTextureRec(scarfy, frameRec, position, raylib.White) // Draw part of the texture
|
|
|
|
raylib.DrawText("(c) Scarfy sprite by Eiden Marsal", screenWidth-200, screenHeight-20, 10, raylib.Gray)
|
|
|
|
raylib.EndDrawing()
|
|
}
|
|
|
|
raylib.UnloadTexture(scarfy)
|
|
|
|
raylib.CloseWindow()
|
|
}
|