1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
// collection of functions reading allready existing stars from a .csv
package main
import (
"encoding/csv"
"fmt"
"os"
"strconv"
)
// open_stars_csv opens the file defined using the path argument, reads its content and returns
// an array of arrays containing the coordinates of the stars
func open_stars_csv(path string) ([][]string) {
// open the file in the given path
b, err := os.Open(path)
// handle errors
if err != nil {
fmt.Println("open_stars_csv panic")
panic(err)
}
// close the file after reading it's content
defer b.Close()
// open the file using a csv reader and read it's content
lines, err := csv.NewReader(b).ReadAll()
// handle errors
if err != nil {
fmt.Println("read_csv panic")
panic(err)
}
// return the content
return lines
}
// add_csv_to_stars_arr adds the given stars to the given stars_arr
// the stars that should be added are expected to be stored in a[][]string
func add_csv_to_stars_arr(lines [][]string, stars_arr []star) {
for _, line := range lines {
// convert the coordinates to float64
x, _ := strconv.ParseFloat(line[0], 64)
y, _ := strconv.ParseFloat(line[1], 64)
// create a temporary star for storing the information
temp_star := star{
coord{x, y},
force{0, 0},
1000000,
}
// add the temporary star to the stars_arr
stars_arr = append(stars_arr, temp_star)
}
}
|
