go-opengl-pixel/main.go

90 lines
1.3 KiB
Go

package main
import (
"fmt"
"log"
"math/rand"
"relay/game"
"relay/gfx"
"time"
"github.com/faiface/pixel"
"github.com/faiface/pixel/pixelgl"
)
func run() error {
cfg := pixelgl.WindowConfig{
Title: "Relay",
Bounds: pixel.R(0, 0, 2400, 1024),
VSync: true,
}
w, err := pixelgl.NewWindow(cfg)
if err != nil {
return err
}
rand.Seed(time.Now().UnixNano())
s := game.NewState()
rs := gfx.RenderState{
Animating: true,
Frames: 15,
}
sb, err := gfx.NewSpriteBank()
if err != nil {
return err
}
sOld := s
turn := 1
var (
frames = 0
second = time.Tick(time.Second)
)
for !w.Closed() && !s.GameOver {
switch {
case w.Pressed(pixelgl.KeyQ):
return nil
case rs.Animating:
rs = gfx.Render(rs, sOld, s, w, *sb)
if !rs.Animating {
sOld = s
}
case w.Pressed(pixelgl.KeySpace):
log.Printf("TURN %d", turn)
rs.Animating = true
rs.Frame = 0
s = game.UpdateState(s, sOld)
turn++
if s.GameOver {
s = game.NewState()
sOld = s
turn = 1
}
}
w.Update()
frames++
select {
case <-second:
w.SetTitle(fmt.Sprintf("%s | FPS: %d", cfg.Title, frames))
frames = 0
default:
}
}
return nil
}
func pixelRun() {
if err := run(); err != nil {
log.Fatal(err)
}
}
func main() {
pixelgl.Run(pixelRun)
}