1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
#include "GameScreen.h"
#include <cmath>
#include <raylib.h>
#include "Bullets.h"
GameScreen::GameScreen() :
m_pos {400, 300}
{
m_const_bullets.reserve(10000);
}
void
GameScreen::update(const float dt)
{
if (IsKeyDown(KEY_LEFT))
m_pos.x -= dt * 80;
if (IsKeyDown(KEY_RIGHT))
m_pos.x += dt * 80;
m_delay += dt;
if (m_delay > TEST_INTERVAL) {
m_delay -= TEST_INTERVAL;
const int speed = 120;
const int divisions = 17;
for (double i = 0; i <= divisions; ++i) {
const double angle = (0.1 + 0.8 * i / divisions) * M_PI;
const double cos = std::cos(angle);
const double sin = std::sin(angle);
ConstantVelocityBullet bullet;
bullet.position.x = 400;
bullet.position.y = 20;
bullet.velocity.x = cos * speed;
bullet.velocity.y = sin * speed;
m_const_bullets.push_back(std::move(bullet));
}
}
::update(dt, m_const_bullets);
bool collided = false;
for (const auto& bullet : m_const_bullets) {
if (CheckCollisionCircles(m_pos, 10, bullet.position, 6))
collided = true;
}
(void) collided;
}
void
GameScreen::draw()
{
DrawCircle(m_pos.x, m_pos.y, 10, LIGHTGRAY);
for (const auto& bullet : m_const_bullets)
DrawCircle(bullet.position.x, bullet.position.y, 6, RED);
DrawFPS(5, 5);
DrawText(TextFormat("%d", m_const_bullets.size()), 5, 25, 20, DARKGRAY);
}
|
