Diff: GameObjects/Snake/Snake-test.h

Revision:

74:7b6568bc16d5

Parent:

70:7caab8069b9b

Child:

75:f00c79f79b6a

--- a/GameObjects/Snake/Snake-test.h	Sun May 05 10:58:33 2019 +0000
+++ b/GameObjects/Snake/Snake-test.h	Sun May 05 11:46:08 2019 +0000
@@ -33,22 +33,86 @@
     snake.update(d, b);
 
     // Read the position
-    Vector2D read_pos_2 = snake.get_pos(0);
+    Vector2D read_pos_2 = snake.get_pos(0); //getting the position of the first beed
     printf("%f, %f\n", read_pos_2.x, read_pos_2.y);
 
-    // Now check that both the positions are as expected
+    // Set the direction to E and set snake motion free by setting b as 1;
+    d = E;
+
+    for(int i=0; i<=9; i++)  {
+        b[i] = 1;
+    }
+
+    // Update the snake position
+    snake.update(d, b);
+
+    // Read the position
+    Vector2D read_pos_3 = snake.get_pos(0); //getting the position of the first beed
+    printf("%f, %f\n", read_pos_3.x, read_pos_3.y);
+
+
+    // Set the direction to W, length and speed both to 10 and set snake motion stopped by setting b as 0;
+    d = W;
+    snake.init(10, 10);
+
+    for(int i=0; i<=9; i++)  {
+        b[i] = 0;
+    }
+
+    // Update the snake position
+    snake.update(d, b);
+
+    // Read the position
+    Vector2D read_pos_4 = snake.get_pos(0); //getting the position of the first beed
+    printf("%f, %f\n", read_pos_4.x, read_pos_4.y);
+
+
+    // Set the direction to W, length to 20 and speed to 2 and set snake motion free by setting b as 1;
+    d = W;
+    snake.init(20, 2);
+
+    for(int i=0; i<=9; i++)  {
+        b[i] = 1;
+    }
+
+    // Update the snake position 3 times because i want to read the position of the third bead that only mooves with a chain reaction.
+    snake.update(d, b);
+    snake.update(d, b);
+    snake.update(d, b);
+
+    // Read the position
+    Vector2D read_pos_5 = snake.get_pos(2); //getting the position of the third beed
+    printf("%f, %f\n", read_pos_5.x, read_pos_5.y);
+
+
+    // Now check that all the positions are as expected
     bool success_flag = true;
 
     // Fail the test if the initial position is wrong
-    if (read_pos_1.x != WIDTH/2 || read_pos_1.y != 18) { //18 because I'm testing the position of the last snake beed.
+    if (read_pos_1.x != WIDTH/2 || read_pos_1.y != 18) { //18 because I'm testing the position of the first snake beed, from the top.
+        success_flag = false;
+    }
+
+    // Fail the test if the final position after moving West is wrong
+    if (read_pos_2.x != ((WIDTH/2)-2) || read_pos_2.y != 18) { //18 because I'm testing the position of the first snake beed, from the top and ((WIDTH/2)-2) because speed is set to 2.
         success_flag = false;
     }
 
-    // Fail the test if the final position is wrong
-    if (read_pos_2.x != ((WIDTH/2)-2) || read_pos_2.y != 18) { //18 because I'm testing the position of the last snake beed and ((WIDTH/2)-2) because speed is set to 2.
+    // Fail the test if the final position after moving East is wrong
+    if (read_pos_3.x != ((WIDTH/2)) || read_pos_3.y != 18) { //18 because I'm testing the position of the first snake beed, from the top and ((WIDTH/2)) because speed is set to 2
+        //and it moves back from its previous position.
         success_flag = false;
     }
 
+    // Fail the test if the final position after moving West but stopping motion using b[i] = 0; is wrong.
+    if (read_pos_4.x != ((WIDTH/2)) || read_pos_4.y != 18) { //18 because I'm testing the position of the first snake beed, from the top and ((WIDTH/2)) because it is not meant to moove.
+        success_flag = false;
+    }
+
+    // Fail the test if the final position of the third beed after moving West and after 3 itterations; is wrong.
+    if (read_pos_5.x != ((WIDTH/2)-2) || read_pos_5.y != 24) { //24 because I'm testing the position of the third snake beed, from the top and ((WIDTH/2)) because it is not meant to moove.
+        success_flag = false;
+    }
     return success_flag;
 }
 #endif
\ No newline at end of file