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84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
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//
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// Created by love on 2024-01-18.
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//
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#pragma once
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#include "../utils.h"
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#include "../Vec2d/Vec2d.h"
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#include "PlayerPaddle.h"
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#include <SDL2/SDL2_gfxPrimitives.h>
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#include <iostream>
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#include "optional"
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class Ball {
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private:
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static const uint8_t RADIUS = 15;
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const SDL_Point *screen;
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Sint16 x, y;
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Vec2d *vec2d;
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static const uint32_t color = 0xCD5C5CFF;
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const PlayerPaddle *leftPaddle, *rightPaddle;
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public:
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explicit Ball(const SDL_Point *screen, const PlayerPaddle *leftPaddle, const PlayerPaddle *rightPaddle) {
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this->screen = screen;
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this->x = screen->x / 2;
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this->y = screen->y / 2;
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this->vec2d = new Vec2d(2.5);
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this->leftPaddle = leftPaddle;
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this->rightPaddle = rightPaddle;
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}
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void draw(SDL_Renderer *renderer) const {
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filledCircleColor(renderer, x, y, RADIUS, color);
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}
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void update() {
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std::cout << "Ball x: " << x << ", y: " << y << std::endl;
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std::optional<Side> paddleSide = collidedPaddle();
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bool screenEdgeVertical = collidedScreenEdgeVertical();
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if (screenEdgeVertical && paddleSide.has_value()) {
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vec2d->bump(BumpType::BOTH, PaddleDirection::NONE);
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} else if (screenEdgeVertical) {
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vec2d->bump(BumpType::WALL, PaddleDirection::NONE);
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} else if (collidedScreenEdgeHorizontal()) {
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std::cout << "Player won" << std::endl;
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exit(1);
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}
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if (paddleSide.has_value()) {
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const PlayerPaddle *paddle = paddleSide.value() == Side::LEFT ? leftPaddle : rightPaddle;
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vec2d->bump(BumpType::PADDLE, paddle->getPaddleDirection());
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}
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vec2d->applyVector(&x, &y);
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}
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private:
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bool collidedScreenEdgeVertical() {
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return y - RADIUS <= 0 || y + RADIUS >= screen->y;
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}
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bool collidedScreenEdgeHorizontal() {
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return x + RADIUS >= screen->x || x - RADIUS <= 0;
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}
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std::optional<Side> collidedPaddle() {
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// Check collision with right paddle
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if (x + RADIUS >= rightPaddle->x &&
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y >= rightPaddle->y &&
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y <= rightPaddle->y + rightPaddle->h) {
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return Side::RIGHT;
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}
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// Check collision with left paddle
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else if (x - RADIUS <= leftPaddle->x + leftPaddle->w &&
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y >= leftPaddle->y &&
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y <= leftPaddle->y + leftPaddle->h) {
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return Side::LEFT;
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}
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return std::nullopt;
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}
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};
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