ElnuDev/septadrop
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Add block rotation

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This commit is contained in:
Elnu 2022-03-05 12:14:43 -08:00
parent f09b6c51e2
commit d67b06d006
1 changed files with 16 additions and 4 deletions
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20
src/Main.cpp
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@ -4,6 +4,7 @@
#include <SFML/Graphics/RectangleShape.hpp> #include <SFML/Graphics/RectangleShape.hpp>
#include <SFML/System/Vector2.hpp> #include <SFML/System/Vector2.hpp>
#include <SFML/Window/Keyboard.hpp> #include <SFML/Window/Keyboard.hpp>
#include <iostream>
#define WINDOW_WIDTH 400 #define WINDOW_WIDTH 400
#define WINDOW_HEIGHT 400 #define WINDOW_HEIGHT 400
@ -107,16 +108,27 @@ class Block {
} }
int rotated_x = x; int rotated_x = x;
int rotated_y = y; int rotated_y = y;
int center_x = type->grid[0].size() / 2;
int center_y = type->grid.size() / 2;
int offset_x = x - center_x;
int offset_y = y - center_y;
switch (rotation_state) { switch (rotation_state) {
case 0: case 0:
rotated_x = x;
rotated_y = y;
break; break;
case 1: case 1:
rotated_x *= -1; rotated_x = center_x + offset_y;
rotated_y = center_y - offset_x;
break;
case 2: case 2:
rotated_x *= -1; rotated_x = center_x - offset_x;
rotated_y *= -1; rotated_y = center_y - offset_y;
break;
case 3: case 3:
rotated_y *= -1; rotated_x = center_x - offset_y;
rotated_y = center_y + offset_x;
break;
default: default:
rotation_state %= 4; rotation_state %= 4;
} }