some new stuff

cmd/game/main.go

@@ -4,6 +4,7 @@ import (
 	_ "embed"
 	"fmt"
 	"log"
+	"math/rand"
 	"strings"
 	"time"
 
@@ -11,6 +12,10 @@ import (
 	"github.com/gdamore/tcell/v3/color"
 )
 
+type coords struct {
+    x, y int
+}
+
 //go:embed assets/title/title_idle.txt
 var title_idle string
 
@@ -170,6 +175,21 @@ func DrawCat(s tcell.Screen, x1,y1,x2,y2 int, style tcell.Style, direction rune)
 	}
 }
 
+// x1,y1 ------- x2,y1
+// |              |
+// |              |
+// x1,y2 ------- x2,y2
+func GetFoodPositions(x1,y1,x2,y2,level int) []*coords{
+	var res []*coords
+	nb_food := 5*level
+	for range nb_food {
+		x := rand.Intn((x2-1)-(x1+1)) + (x1+1)
+		y := y1
+		food_pos := coords{x: x, y: y}
+		res = append(res, &food_pos)
+	}
+	return res
+}
 
 
 func main() {
@@ -204,6 +224,8 @@ func main() {
 	level := 1
 	direction := 'n'
 	x_offset := 0
+	new_level := true
+	var food_positions []*coords
 game_loop:
 	go_to_menu := false
 	for {
@@ -216,39 +238,54 @@ game_loop:
 
 		length_factor := 5
 		width_factor := 4
+		// x1,y1 ------- x2,y1
+		// |              |
+		// |              |
+		// x1,y2 ------- x2,y2
 
-		up_right_border := 3*xmax/width_factor
-		width_map := up_right_border - (xmax/width_factor) + 1
+		x1 := xmax/width_factor
+		x2 := 3*xmax/width_factor
+		width_map := x2 - x1 + 1
 
-		down_right_border := 4*ymax/length_factor
-		length_map := down_right_border - (ymax/length_factor) + 1
+		y1 := ymax/length_factor
+		y2 := 4*ymax/length_factor
+		length_map := y2 - y1 + 1
 		
 		// Draw UI
-		drawText(s, xmax/width_factor, ymax/length_factor - 5, xmax, ymax, defStyle,   "Use arrows or AD to move. Press q to return to Main Menu.")
-		drawText(s, xmax/width_factor, ymax/length_factor - 3, xmax, ymax, defStyle,   fmt.Sprintf("Level: %d", level))
-		drawText(s, xmax/width_factor, ymax/length_factor - 2, xmax, ymax, defStyle,   fmt.Sprintf("Score: %d", score))
+		drawText(s, x1, y1 - 5, xmax, ymax, defStyle,   "Use arrows or AD to move. Press q to return to Main Menu.")
+		drawText(s, x1, y1 - 3, xmax, ymax, defStyle,   fmt.Sprintf("Level: %d", level))
+		drawText(s, x1, y1 - 2, xmax, ymax, defStyle,   fmt.Sprintf("Score: %d", score))
 
 		// Draw Game Map Borders
 		// upper border
 		for i := range(width_map){
-			drawText(s,xmax/width_factor+i, ymax/length_factor-1, xmax, ymax, defStyle, "=")
+			drawText(s,x1+i, y1-1, xmax, ymax, defStyle, "=")
 		}
 		// bottom border
 		for i := range(width_map){
-			drawText(s,xmax/width_factor+i, down_right_border, xmax, ymax, defStyle, "=")
+			drawText(s,x1+i, y2, xmax, ymax, defStyle, "=")
 		}
 		// left border
 		for i := range(length_map){
-			drawText(s,xmax/width_factor, ymax/length_factor+i, xmax, ymax, defStyle, "|")
+			drawText(s,x1, y1+i, xmax, ymax, defStyle, "|")
 		}
 		// right border
 		for i := range(length_map){
-			drawText(s,up_right_border, ymax/length_factor+i, xmax, ymax, defStyle, "|")
+			drawText(s,x2, y1+i, xmax, ymax, defStyle, "|")
 		}
 
-		starting_point_x := (up_right_border + xmax/width_factor)/2 + x_offset
-		DrawCat(s, starting_point_x, down_right_border - 3, xmax,ymax,defStyle, direction)
-		
+		position_cat_x := (x2 + x1)/2 + x_offset
+		DrawCat(s, position_cat_x, y2 - 3, xmax,ymax,defStyle, direction)
+		if (new_level){
+			food_positions = GetFoodPositions(x1,y1,x2,y2,level)
+			new_level = false
+		}
+		for i, food_pos := range food_positions {
+			drawText(s,food_pos.x,food_pos.y,xmax,ymax,defStyle,"@")
+			if i == rand.Intn(len(food_positions)) && food_pos.y < (y2-1) {
+				food_pos.y += 1
+			}
+		}
 		s.Show()
 
 		ev := <- s.EventQ()
@@ -261,12 +298,12 @@ game_loop:
 				return
 			} else if (ev.Key() == tcell.KeyRight || ev.Str() == "d" || ev.Str() == "D") {
 				direction = 'r'
-				if (starting_point_x + 1 < (up_right_border-6)){
+				if (position_cat_x + 1 < (x2-6)){
 					x_offset += 1
 				}
 			} else if (ev.Key() == tcell.KeyLeft || ev.Str() == "a" || ev.Str() == "A") {
 				direction = 'l'
-				if (starting_point_x + 1 > (xmax/width_factor + 2)){
+				if (position_cat_x + 1 > (x1 + 2)){
 					x_offset -= 1
 				}
 			} else if (ev.Key() == tcell.KeyUp || ev.Str() == "w" || ev.Str() == "W") {