![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
Matis Requis 201241242
Dependencies: mbed
Tempest Game
Game Screen
The board is made of 12 columns. The Hero stays at the top of the column
Game Controls
To control the hero spaceship point the joystick to the column you want the hero to go to.
Press the A button to shoot a bullet in the column you are currently in.
Gamepad2/Bitmap.cpp@12:1f1907ebebeb, 2020-05-27 (annotated)
- Committer:
- MatisRequis
- Date:
- Wed May 27 05:53:03 2020 +0000
- Revision:
- 12:1f1907ebebeb
- Parent:
- 1:03d1c29c2f8a
Final Submission. I have read and agreed with Statement of Academic Integrity
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MatisRequis | 1:03d1c29c2f8a | 1 | #include "Bitmap.h" |
MatisRequis | 1:03d1c29c2f8a | 2 | |
MatisRequis | 1:03d1c29c2f8a | 3 | #include <iostream> |
MatisRequis | 1:03d1c29c2f8a | 4 | |
MatisRequis | 1:03d1c29c2f8a | 5 | #include "N5110.h" |
MatisRequis | 1:03d1c29c2f8a | 6 | |
MatisRequis | 1:03d1c29c2f8a | 7 | Bitmap::Bitmap(int const *contents, |
MatisRequis | 1:03d1c29c2f8a | 8 | unsigned int const height, |
MatisRequis | 1:03d1c29c2f8a | 9 | unsigned int const width) |
MatisRequis | 1:03d1c29c2f8a | 10 | : |
MatisRequis | 1:03d1c29c2f8a | 11 | _contents(std::vector<int>(height*width)), |
MatisRequis | 1:03d1c29c2f8a | 12 | _height(height), |
MatisRequis | 1:03d1c29c2f8a | 13 | _width(width) |
MatisRequis | 1:03d1c29c2f8a | 14 | { |
MatisRequis | 1:03d1c29c2f8a | 15 | // Perform a quick sanity check of the dimensions |
MatisRequis | 1:03d1c29c2f8a | 16 | if (_contents.size() != height * width) { |
MatisRequis | 1:03d1c29c2f8a | 17 | std::cerr << "Contents of bitmap has size " << _contents.size() |
MatisRequis | 1:03d1c29c2f8a | 18 | << " pixels, but its dimensions were specified as " |
MatisRequis | 1:03d1c29c2f8a | 19 | << width << " * " << height << " = " << width * height << std::endl; |
MatisRequis | 1:03d1c29c2f8a | 20 | } |
MatisRequis | 1:03d1c29c2f8a | 21 | |
MatisRequis | 1:03d1c29c2f8a | 22 | for(unsigned int i = 0; i < height*width; ++i) _contents[i] = contents[i]; |
MatisRequis | 1:03d1c29c2f8a | 23 | } |
MatisRequis | 1:03d1c29c2f8a | 24 | |
MatisRequis | 1:03d1c29c2f8a | 25 | /** |
MatisRequis | 1:03d1c29c2f8a | 26 | * @returns the value of the pixel at the given position |
MatisRequis | 1:03d1c29c2f8a | 27 | */ |
MatisRequis | 1:03d1c29c2f8a | 28 | int Bitmap::get_pixel(unsigned int const row, |
MatisRequis | 1:03d1c29c2f8a | 29 | unsigned int const column) const |
MatisRequis | 1:03d1c29c2f8a | 30 | { |
MatisRequis | 1:03d1c29c2f8a | 31 | // First check that row and column indices are within bounds |
MatisRequis | 1:03d1c29c2f8a | 32 | if(column >= _width || row >= _height) |
MatisRequis | 1:03d1c29c2f8a | 33 | { |
MatisRequis | 1:03d1c29c2f8a | 34 | std::cerr << "The requested pixel with index " << row << "," << column |
MatisRequis | 1:03d1c29c2f8a | 35 | << "is outside the bitmap dimensions: " << _width << "," |
MatisRequis | 1:03d1c29c2f8a | 36 | << _height << std::endl; |
MatisRequis | 1:03d1c29c2f8a | 37 | } |
MatisRequis | 1:03d1c29c2f8a | 38 | |
MatisRequis | 1:03d1c29c2f8a | 39 | // Now return the pixel value, using row-major indexing |
MatisRequis | 1:03d1c29c2f8a | 40 | return _contents[row * _width + column]; |
MatisRequis | 1:03d1c29c2f8a | 41 | } |
MatisRequis | 1:03d1c29c2f8a | 42 | |
MatisRequis | 1:03d1c29c2f8a | 43 | /** |
MatisRequis | 1:03d1c29c2f8a | 44 | * @brief Prints the contents of the bitmap to the terminal |
MatisRequis | 1:03d1c29c2f8a | 45 | */ |
MatisRequis | 1:03d1c29c2f8a | 46 | void Bitmap::print() const |
MatisRequis | 1:03d1c29c2f8a | 47 | { |
MatisRequis | 1:03d1c29c2f8a | 48 | for (unsigned int row = 0; row < _height; ++row) |
MatisRequis | 1:03d1c29c2f8a | 49 | { |
MatisRequis | 1:03d1c29c2f8a | 50 | // Print each element of the row |
MatisRequis | 1:03d1c29c2f8a | 51 | for (unsigned int column = 0; column < _width; ++column) |
MatisRequis | 1:03d1c29c2f8a | 52 | { |
MatisRequis | 1:03d1c29c2f8a | 53 | int pixel = get_pixel(row, column); |
MatisRequis | 1:03d1c29c2f8a | 54 | std::cout << pixel; |
MatisRequis | 1:03d1c29c2f8a | 55 | } |
MatisRequis | 1:03d1c29c2f8a | 56 | |
MatisRequis | 1:03d1c29c2f8a | 57 | // And then terminate with a new-line character |
MatisRequis | 1:03d1c29c2f8a | 58 | std::cout << std::endl; |
MatisRequis | 1:03d1c29c2f8a | 59 | } |
MatisRequis | 1:03d1c29c2f8a | 60 | } |
MatisRequis | 1:03d1c29c2f8a | 61 | |
MatisRequis | 1:03d1c29c2f8a | 62 | /** |
MatisRequis | 1:03d1c29c2f8a | 63 | * @brief Renders the contents of the bitmap onto an N5110 screen |
MatisRequis | 1:03d1c29c2f8a | 64 | * |
MatisRequis | 1:03d1c29c2f8a | 65 | * @param[in] lcd The screen to use for rendering |
MatisRequis | 1:03d1c29c2f8a | 66 | * @param[in] x0 The horizontal position in pixels at which to render the bitmap |
MatisRequis | 1:03d1c29c2f8a | 67 | * @param[in] y0 The vertical position in pixels at which to render the bitmap |
MatisRequis | 1:03d1c29c2f8a | 68 | * |
MatisRequis | 1:03d1c29c2f8a | 69 | * @details Note that x0, y0 gives the location of the top-left of the bitmap on |
MatisRequis | 1:03d1c29c2f8a | 70 | * the screen. |
MatisRequis | 1:03d1c29c2f8a | 71 | * This function only updates the buffer on the screen. You still need |
MatisRequis | 1:03d1c29c2f8a | 72 | * to refresh the screen in order to actually see the bitmap. |
MatisRequis | 1:03d1c29c2f8a | 73 | */ |
MatisRequis | 1:03d1c29c2f8a | 74 | void Bitmap::render(N5110 &lcd, |
MatisRequis | 1:03d1c29c2f8a | 75 | unsigned int const x0, |
MatisRequis | 1:03d1c29c2f8a | 76 | unsigned int const y0) const |
MatisRequis | 1:03d1c29c2f8a | 77 | { |
MatisRequis | 1:03d1c29c2f8a | 78 | // Loop through each row of the bitmap image |
MatisRequis | 1:03d1c29c2f8a | 79 | for (unsigned int bitmap_row = 0; bitmap_row < _height; ++bitmap_row) |
MatisRequis | 1:03d1c29c2f8a | 80 | { |
MatisRequis | 1:03d1c29c2f8a | 81 | // Row index on the screen for rendering the row of pixels |
MatisRequis | 1:03d1c29c2f8a | 82 | unsigned int screen_row = y0 + bitmap_row; |
MatisRequis | 1:03d1c29c2f8a | 83 | |
MatisRequis | 1:03d1c29c2f8a | 84 | // Render each pixel in the row |
MatisRequis | 1:03d1c29c2f8a | 85 | for (unsigned int bitmap_col = 0; bitmap_col < _width; ++bitmap_col) |
MatisRequis | 1:03d1c29c2f8a | 86 | { |
MatisRequis | 1:03d1c29c2f8a | 87 | // Column index on the screen for rendering this pixel |
MatisRequis | 1:03d1c29c2f8a | 88 | int screen_col = x0 + bitmap_col; |
MatisRequis | 1:03d1c29c2f8a | 89 | |
MatisRequis | 1:03d1c29c2f8a | 90 | // Find the required value of the pixel at the given location within |
MatisRequis | 1:03d1c29c2f8a | 91 | // the bitmap data and then write it to the LCD screen |
MatisRequis | 1:03d1c29c2f8a | 92 | int pixel = get_pixel(bitmap_row, bitmap_col); |
MatisRequis | 1:03d1c29c2f8a | 93 | lcd.setPixel(screen_col, screen_row, pixel); |
MatisRequis | 1:03d1c29c2f8a | 94 | } |
MatisRequis | 1:03d1c29c2f8a | 95 | } |
MatisRequis | 1:03d1c29c2f8a | 96 | } |