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package main
import (
"fmt"
"log"
"net/http"
"strconv"
"github.com/gorilla/mux"
"git.darknebu.la/GalaxySimulator/structs"
)
func nextpos(deltat float64, star structs.Star2D) {
// ...
}
func initMassCenter(w http.ResponseWriter, r *http.Request) {
log.Println("[ ] Initializing the Mass Center of all the nodes in the tree")
// getting the tree index
vars := mux.Vars(r)
treeindex, _ := strconv.ParseInt(vars["treeindex"], 10, 0)
_, _ = fmt.Fprintln(w, treeindex)
// Recursively calculate the center of mass of a node by calculating the center of mass of the four children of
// that node.
// The formula used is the following:
// ( (x_i * m_i)/(m_total) , (y_i * m_i)/(m_total) )
// starting at the root node of the tree
}
func calcNewPos(w http.ResponseWriter, r *http.Request) {
// get the post parameters
x, _ := strconv.ParseFloat(r.PostFormValue("x"), 64)
y, _ := strconv.ParseFloat(r.PostFormValue("y"), 64)
vx, _ := strconv.ParseFloat(r.PostFormValue("vx"), 64)
vy, _ := strconv.ParseFloat(r.PostFormValue("vy"), 64)
m, _ := strconv.ParseFloat(r.PostFormValue("m"), 64)
log.Println("Simulator container calcNewPos got these values: ")
log.Printf("(x: %f, y: %f, vx: %f, vy: %f, m: %f)\n", x, y, vx, vy, m)
}
func indexHandler(w http.ResponseWriter, r *http.Request) {
_, _ = fmt.Fprintf(w, "Hello, this is the simu container!")
}
func calcallforcesHandler(w http.ResponseWriter, r *http.Request) {
fmt.Println("The calcallforcesHandler was accessed!")
vars := mux.Vars(r)
treeindex, _ := strconv.ParseInt(vars["treeindex"], 10, 0)
if r.Method == "GET" {
_, _ = fmt.Fprintf(w, "Make a post request to this endpoint to calc some forces!")
fmt.Println(treeindex)
} else {
// get the post parameters
x, _ := strconv.ParseFloat(r.PostFormValue("x"), 64)
y, _ := strconv.ParseFloat(r.PostFormValue("y"), 64)
vx, _ := strconv.ParseFloat(r.PostFormValue("vx"), 64)
vy, _ := strconv.ParseFloat(r.PostFormValue("vy"), 64)
m, _ := strconv.ParseFloat(r.PostFormValue("m"), 64)
log.Println("Simulator container calcallforces got these values: ")
log.Printf("(x: %f, y: %f, vx: %f, vy: %f, m: %f)\n", x, y, vx, vy, m)
_, _ = fmt.Fprintf(w, "calculating forces...")
_, _ = fmt.Fprintf(w, "Simu here, calculating the forces acting on the star (%f, %f)", x, y)
}
}
func main() {
router := mux.NewRouter()
router.HandleFunc("/", indexHandler).Methods("GET")
router.HandleFunc("/newpos", calcNewPos).Methods("POST")
router.HandleFunc("/initMassCenter", calcNewPos).Methods("POST")
router.HandleFunc("/calcallforces/{treeindex}", calcallforcesHandler).Methods("GET", "POST")
log.Fatal(http.ListenAndServe(":80", router))
}
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