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Jorijn van der Graaf 2025-06-14 01:45:33 +02:00
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example/HelloUI/main.cpp
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@ -23,99 +23,43 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import Crafter.Event;
import Crafter.Graphics;
using namespace Crafter;
// Constants
const uint32_t SCREEN_WIDTH = 800;
const uint32_t SCREEN_HEIGHT = 600;
const uint32_t PADDLE_WIDTH = 10;
const uint32_t PADDLE_HEIGHT = 100;
const float PADDLE_SPEED = 5.0f;
const uint32_t BALL_SIZE = 10;
const float BALL_SPEED = 5.0f;
struct Paddle {
float x, y;
};
struct Ball {
float x, y;
float dx, dy;
};
Paddle leftPaddle = { 50, SCREEN_HEIGHT / 2 - PADDLE_HEIGHT / 2 };
Paddle rightPaddle = { SCREEN_WIDTH - 50 - PADDLE_WIDTH, SCREEN_HEIGHT / 2 - PADDLE_HEIGHT / 2 };
Ball ball = { SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2, BALL_SPEED, BALL_SPEED };
uint32_t scoreLeft = 0;
uint32_t scoreRight = 0;
void resetBall() {
ball.x = SCREEN_WIDTH / 2;
ball.y = SCREEN_HEIGHT / 2;
// Reverse direction on reset
ball.dx = -ball.dx;
ball.dy = (rand() % 2 == 0) ? BALL_SPEED : -BALL_SPEED;
}
void updateBall() {
ball.x += ball.dx;
ball.y += ball.dy;
// Top and bottom collision
if (ball.y <= 0 || ball.y + BALL_SIZE >= SCREEN_HEIGHT) {
ball.dy = -ball.dy;
}
// Left paddle collision
if (ball.x <= leftPaddle.x + PADDLE_WIDTH &&
ball.y + BALL_SIZE >= leftPaddle.y &&
ball.y <= leftPaddle.y + PADDLE_HEIGHT) {
ball.dx = std::abs(ball.dx); // Make sure it moves right
}
// Right paddle collision
if (ball.x + BALL_SIZE >= rightPaddle.x &&
ball.y + BALL_SIZE >= rightPaddle.y &&
ball.y <= rightPaddle.y + PADDLE_HEIGHT) {
ball.dx = -std::abs(ball.dx); // Make sure it moves left
}
// Scoring
if (ball.x < 0) {
scoreRight++;
resetBall();
} else if (ball.x > SCREEN_WIDTH) {
scoreLeft++;
resetBall();
}
}
void moveLeftPaddleUp() {
if (leftPaddle.y > 0) leftPaddle.y -= PADDLE_SPEED;
}
void moveLeftPaddleDown() {
if (leftPaddle.y + PADDLE_HEIGHT < SCREEN_HEIGHT) leftPaddle.y += PADDLE_SPEED;
}
void moveRightPaddleUp() {
if (rightPaddle.y > 0) rightPaddle.y -= PADDLE_SPEED;
}
void moveRightPaddleDown() {
if (rightPaddle.y + PADDLE_HEIGHT < SCREEN_HEIGHT) rightPaddle.y += PADDLE_SPEED;
}
int main() {
WindowWaylandWayland window("HelloWindow", 1280, 720);
UiElement& element = window.elements.emplace_back(
0.5, //anchorX: relative position where this elements x anchor (top-left) is placed to its parent x anchor
0.5, //anchorY: relative position where this elements y anchor (top-left) is placed to its parent y anchor
2, //bufferWidth: the width of this elements pixel buffer
1, //bufferHeight: the height of this elements pixel buffer
0.5f, //relativeSizeX: the relative x size this element should be scaled to compared to its parent
0.5f, //relativeSizeY: the relative y size this element should be scaled to compared to its parent
0.5, //anchorOffsetX: the amount this element's anchor should be offset from the top left corner (0.5 to in the middle)
0.5, //anchorOffsetY: the amount this element's anchor should be offset from the top left corner (0.5 to place it in the middle)
0, //z: this elements Z position
false //ignoreScaling: wether this element ignores the scaling of the window, if true its size will be scaled according to the window scale
);
// UiElement& element = window.elements.emplace_back(
// 0.5,
// 0.5,
// 2,
// 1,
// uint32_t(100), //absoluteSizeX: the absolute x size in pixels this element should be scaled to
// uint32_t(100), //absoluteSizeY: the absolute x size in pixels this element should be scaled to
// 0.5,
// 0.5,
// 0,
// false
// );
EventListener<MousePoint> clickListener(&element.onMouseLeftClick, [](MousePoint point){
// Print the coordinates where the user clicked relative to the element's top left corner.
std::cout << std::format("Clicked on X:{} Y:{}!", point.x, point.y) << std::endl;
});
element.buffer = {{255, 0, 0 ,255}, {0, 255, 0 ,255}};
window.scale = 1;
window.StartSync();
}