func updateCamera(ws *websocket.WebSocket, renderChan <-chan struct{}) {
const tick30hz = (1000 / 30) * time.Millisecond
var msg updateMessage
for _ = range time.Tick(tick30hz) {
switch {
case keys[38]: // Up
camera.YRot += cameraSpeed
case keys[40]: // Down
camera.YRot -= cameraSpeed
case keys[37]: // Left
camera.XRot += cameraSpeed
case keys[39]: // Right
camera.XRot -= cameraSpeed
case keys[87]: // W
camera.Move(cameraSpeed)
case keys[83]: // S
camera.Move(-cameraSpeed)
case keys[65]: // A
camera.Strafe(cameraSpeed)
case keys[68]: // D
camera.Strafe(-cameraSpeed)
case keys[69]: // E
camera.Lift(cameraSpeed)
case keys[81]: // Q
camera.Lift(-cameraSpeed)
case keys[67]: // C
keys[67] = false
ws.Close()
if colorFormat == "RGBA" {
colorFormat = "PALETTED"
} else {
colorFormat = "RGBA"
}
frameId = 0
setupConnection()
return
}
msg.Camera.Position = camera.Pos
msg.Camera.XRot = camera.XRot
msg.Camera.YRot = camera.YRot
m, err := json.Marshal(msg)
assert(err)
assert(ws.Send(string(m)))
<-renderChan
}
}
