mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 13:07:26 +01:00
101 lines
1.7 KiB
Go
101 lines
1.7 KiB
Go
package main
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// #cgo LDFLAGS: -framework GLUT -framework OpenGL
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//
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// #include <stdlib.h>
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// #include <GLUT/glut.h>
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//
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// void display(void);
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// void idle(void);
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//
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// static void setGlutFuncs(void) {
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// glutDisplayFunc(display);
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// glutIdleFunc(idle);
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// }
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//
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import "C"
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import (
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"github.com/hajimehoshi/go.ebiten"
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"github.com/hajimehoshi/go.ebiten/example/game"
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"github.com/hajimehoshi/go.ebiten/graphics"
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"os"
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"runtime"
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"unsafe"
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)
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type GlutUI struct {
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screenWidth int
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screenHeight int
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screenScale int
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device graphics.Device
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}
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var currentUI *GlutUI
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//export display
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func display() {
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currentUI.device.Update()
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C.glutSwapBuffers()
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}
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//export idle
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func idle() {
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C.glutPostRedisplay()
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}
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func (ui *GlutUI) Init() {
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cargs := []*C.char{}
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for _, arg := range os.Args {
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cargs = append(cargs, C.CString(arg))
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}
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defer func() {
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for _, carg := range cargs {
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C.free(unsafe.Pointer(carg))
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}
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}()
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cargc := C.int(len(cargs))
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ui.screenWidth = 256
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ui.screenHeight = 240
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ui.screenScale = 2
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C.glutInit(&cargc, &cargs[0])
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C.glutInitDisplayMode(C.GLUT_RGBA)
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C.glutInitWindowSize(
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C.int(ui.screenWidth*ui.screenScale),
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C.int(ui.screenHeight*ui.screenScale))
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title := C.CString("Ebiten Demo")
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defer C.free(unsafe.Pointer(title))
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C.glutCreateWindow(title)
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C.setGlutFuncs()
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}
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func (ui *GlutUI) ScreenWidth() int {
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return ui.screenWidth
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}
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func (ui *GlutUI) ScreenHeight() int {
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return ui.screenHeight
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}
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func (ui *GlutUI) ScreenScale() int {
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return ui.screenScale
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}
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func (ui *GlutUI) Run(device graphics.Device) {
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ui.device = device
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C.glutMainLoop()
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}
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func main() {
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runtime.GOMAXPROCS(runtime.NumCPU())
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game := game.NewRotatingImage()
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currentUI = &GlutUI{}
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currentUI.Init()
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ebiten.OpenGLRun(game, currentUI)
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}
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