snake is ok

bsp/stm32g030c8/pikascript/main.py

@@ -2,7 +2,6 @@ from PikaObj import *
 import PikaStdLib
 import PikaPiZero
 import STM32
-
 pin = STM32.GPIO()
 pin.init()
 pin.setPin('PA0')
@@ -21,80 +20,93 @@ remove('pin')
 ll = STM32.lowLevel()
 oled = PikaPiZero.OLED()
 oled.init()
-
-p0 = PikaPiZero.Point()
-p0.x = 7
-p0.y = 4
-p_next_num = 0
-
-k = 0
-while k < 3:
-    p = p0
+snake = PikaPiZero.Point()
+snake.x = 7
+snake.y = 4
+snake_lengh = 0
+while snake_lengh < 3:
+    body = snake
     i = 0
-    while i < p_next_num:
-        p = p.next
+    while i < snake_lengh:
+        body = body.next
         i = i + 1
-    p.next = PikaPiZero.Point()
-    p.next.x = p.x - 1
-    p.next.y = p.y
-    p.next.prev = p
-    p_next_num = p_next_num + 1
-    k = k + 1
-
-
+    body.next = PikaPiZero.Point()
+    body.next.x = body.x - 1
+    body.next.y = body.y
+    body.next.prev = body
+    snake_lengh = snake_lengh + 1
+fruit = PikaPiZero.Point()
+fruit.x = 13
+fruit.y = 2
 mem = PikaStdLib.MemChecker()
 print('mem used max:')
 mem.max()
-
-pos = 0
+direction = 0
 isUpdate = 1
 while True:
     if isUpdate:
         isUpdate = 0
-        p = p0
+        if fruit.x == snake.x:
+            if fruit.y == snake.y:
+                body = snake
+                i = 0
+                while i < snake_lengh:
+                    body = body.next
+                    i = i + 1
+                body.next = PikaPiZero.Point()
+                body.next.prev = body
+                snake_lengh = snake_lengh + 1
+                fruit.x = fruit.x + 3
+                if fruit.x > 15:
+                    fruit.x = fruit.x - 15
+                fruit.y = fruit.y + 3
+                if fruit.y > 7:
+                    fruit.y = fruit.y - 7
+        body = snake
         i = 0
-        while i < p_next_num:
-            p = p.next
+        while i < snake_lengh:
+            body = body.next
             i = i + 1
         i = 0
-        while i < p_next_num:
-            p = p.prev
-            p.next.x = p.x
-            p.next.y = p.y
+        while i < snake_lengh:
+            body = body.prev
+            body.next.x = body.x
+            body.next.y = body.y
             i = i + 1
-        if pos == 0:
-            p0.x = p0.x + 1
-            if p0.x > 15:
-                p0.x = 0
-        if pos == 1:
-            p0.x = p0.x - 1
-            if p0.x < 0:
-                p0.x = 15
-        if pos == 2:
-            p0.y = p0.y - 1
-            if p0.y < 0:
-                p0.y = 7
-        if pos == 3:
-            p0.y = p0.y + 1
-            if p0.y > 7:
-                p0.y = 0
-        p = p0
+        if direction == 0:
+            snake.x = snake.x + 1
+            if snake.x > 15:
+                snake.x = 0
+        if direction == 1:
+            snake.x = snake.x - 1
+            if snake.x < 0:
+                snake.x = 15
+        if direction == 2:
+            snake.y = snake.y - 1
+            if snake.y < 0:
+                snake.y = 7
+        if direction == 3:
+            snake.y = snake.y + 1
+            if snake.y > 7:
+                snake.y = 0
+        body = snake
         i = 0
         oled.clear()
-        while i < p_next_num:
-            oled.drawPoint(p.x, p.y)
-            p = p.next
+        oled.drawPoint(fruit.x, fruit.y)
+        while i < snake_lengh:
+            oled.drawPoint(body.x, body.y)
+            body = body.next
             i = i + 1
         oled.refresh()
     if ll.readPin('PA0') == 1:
-        pos = 0
+        direction = 0
         isUpdate = 1
     if ll.readPin('PC13') == 0:
-        pos = 1
+        direction = 1
         isUpdate = 1
     if ll.readPin('PA15') == 0:
-        pos = 2
+        direction = 2
         isUpdate = 1
     if ll.readPin('PB6') == 0:
-        pos = 3
+        direction = 3
         isUpdate = 1