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properly use std::clamp

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This commit is contained in:
Hartmut Seichter 2024-05-28 23:06:08 +02:00
parent b9c7ce3b48
commit e92dadaf4d
1 changed files with 20 additions and 5 deletions
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25
examples/pong/pong.cpp
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@ -1,7 +1,7 @@
/**
* paradiso - Paradigmen der Softwareentwicklung
*
* (c) Copyright 2023 Hartmut Seichter
* (c) Copyright 2023-2024 Hartmut Seichter
*
*/
@ -16,7 +16,6 @@
#include <unordered_map>
#include <iomanip>
#include <iostream>
struct PongStage {
@ -86,7 +85,7 @@ struct PongPaddle {
velocity_horizontal *= whoopiness;
sprite.pivot.x() += velocity_horizontal;
std::clamp(sprite.pivot.x(), -0.5f, 0.5f);
sprite.pivot.x() = std::clamp(sprite.pivot.x(), -0.5f, 0.5f);
// update shader uniforms
shader.set_uniform("pivot", sprite.pivot);
@ -151,7 +150,7 @@ struct PongBall {
void draw(const paradiso::Shader& shader) {
std::clamp(sprite.pivot.x(), -0.5f, 0.5f);
sprite.pivot.x() = std::clamp(sprite.pivot.x(), -0.5f, 0.5f);
// update shader uniforms
shader.set_uniform("pivot", sprite.pivot);
@ -166,6 +165,9 @@ struct PongBall {
paradiso::Renderer renderer{};
constexpr void push(const auto& impulse) noexcept { velocity += impulse; }
constexpr void whoop(const auto& whoopiness) noexcept { velocity *= whoopiness; }
};
auto main() -> int {
@ -234,6 +236,19 @@ auto main() -> int {
ball.sprite.pivot.x() = 0.0f;
ball.sprite.pivot.y() = 0.9f;
}
// speed adjust
if (w.keyboard_input().top().key == 'N') {
std::cout << "Speed Up!\n";
ball.push(paradiso::Vector2<float>::make(0.f,0.01f));
} else if (w.keyboard_input().top().key == 'M') {
ball.push(paradiso::Vector2<float>::make(0.f,-0.01f));
std::cout << "Speed Lower!\n";
}
}
ball.interact(stage);
@ -251,4 +266,4 @@ auto main() -> int {
};
return 0;
}
}