diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 9d4c49a..713b59e 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -1,3 +1,3 @@
add_subdirectory(simple)
add_subdirectory(pong)
-add_subdirectory(quickwings)
\ No newline at end of file
+add_subdirectory(tappyplane)
diff --git a/examples/quickwings/CMakeLists.txt b/examples/quickwings/CMakeLists.txt
deleted file mode 100644
index 5ac3667..0000000
--- a/examples/quickwings/CMakeLists.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-set(quickwings_srcs quickwings.cpp)
-set(quickwings_assets
- assets/background-day.png
- assets/base.png
- assets/pipe-green.png
- assets/yellowbird-downflap.png
- assets/yellowbird-midflap.png
- assets/yellowbird-upflap.png
- )
-
-set_source_files_properties(${quickwings_assets} PROPERTIES HEADER_FILE_ONLY TRUE)
-
-add_executable(quickwings ${quickwings_srcs} ${quickwings_assets})
-
-target_link_libraries(quickwings paradiso_core)
-
-#
-# copy files to bin/../assets folder
-#
-add_custom_command(TARGET quickwings POST_BUILD
- COMMAND ${CMAKE_COMMAND} -E copy_directory
- ${CMAKE_CURRENT_SOURCE_DIR}/assets/
- $<TARGET_FILE_DIR:quickwings>/assets)
diff --git a/examples/quickwings/assets/background-day.png b/examples/quickwings/assets/background-day.png
deleted file mode 100644
index f9ed139..0000000
Binary files a/examples/quickwings/assets/background-day.png and /dev/null differ
diff --git a/examples/quickwings/assets/base.png b/examples/quickwings/assets/base.png
deleted file mode 100644
index 26fa391..0000000
Binary files a/examples/quickwings/assets/base.png and /dev/null differ
diff --git a/examples/quickwings/assets/gameover.png b/examples/quickwings/assets/gameover.png
deleted file mode 100644
index b1df7f5..0000000
Binary files a/examples/quickwings/assets/gameover.png and /dev/null differ
diff --git a/examples/quickwings/assets/message.png b/examples/quickwings/assets/message.png
deleted file mode 100644
index 9243ab5..0000000
Binary files a/examples/quickwings/assets/message.png and /dev/null differ
diff --git a/examples/quickwings/assets/pipe-green.png b/examples/quickwings/assets/pipe-green.png
deleted file mode 100644
index 4664401..0000000
Binary files a/examples/quickwings/assets/pipe-green.png and /dev/null differ
diff --git a/examples/quickwings/assets/yellowbird-downflap.png b/examples/quickwings/assets/yellowbird-downflap.png
deleted file mode 100644
index e9e1c77..0000000
Binary files a/examples/quickwings/assets/yellowbird-downflap.png and /dev/null differ
diff --git a/examples/quickwings/assets/yellowbird-midflap.png b/examples/quickwings/assets/yellowbird-midflap.png
deleted file mode 100644
index 2ca3c2d..0000000
Binary files a/examples/quickwings/assets/yellowbird-midflap.png and /dev/null differ
diff --git a/examples/quickwings/assets/yellowbird-upflap.png b/examples/quickwings/assets/yellowbird-upflap.png
deleted file mode 100644
index 2f693da..0000000
Binary files a/examples/quickwings/assets/yellowbird-upflap.png and /dev/null differ
diff --git a/examples/quickwings/quickwings.cpp b/examples/quickwings/quickwings.cpp
deleted file mode 100644
index dd51112..0000000
--- a/examples/quickwings/quickwings.cpp
+++ /dev/null
@@ -1,546 +0,0 @@
-/**
- * paradiso - Paradigmen der Softwareentwicklung
- *
- * (c) Copyright 2023-2025 Hartmut Seichter and Contributors
- *
- */
-
-#include <paradiso/bitmap.hpp>
-#include <paradiso/bitmap_io.hpp>
-#include <paradiso/context.hpp>
-#include <paradiso/geometry.hpp>
-#include <paradiso/renderer.hpp>
-#include <paradiso/shader.hpp>
-#include <paradiso/sprite.hpp>
-#include <paradiso/utils.hpp>
-#include <paradiso/vector.hpp>
-#include <paradiso/window.hpp>
-
-#include <chrono>
-#include <thread>
-
-// TODO remove all hard coded 'magic' values!
-
-// TODO - remove global variables
-const int frame_rate = 60;
-bool game_over = false;
-float risky_pos_x;
-float risky_pos_max_x;
-float risky_pos_bottom_y;
-float risky_pos_top_y;
-float risky_pos_bottom_max_y;
-float risky_pos_top_max_y;
-
-struct Background {
- paradiso::Sprite backgroundLeft;
- paradiso::Sprite backgroundRight;
- paradiso::Sprite grassLeft;
- paradiso::Sprite grassRight;
-
- paradiso::Sprite* scrolling[2] = {&backgroundLeft, &backgroundRight};
-
- paradiso::Renderer renderer{};
-
- // TODO no constructors in rule of zero
- Background() {
- auto backgroundImage =
- paradiso::BitmapIO::get().load("background-day.png");
- backgroundLeft = paradiso::Sprite{
- .bitmap = backgroundImage,
- .pivot = {paradiso::Vector2<float>::make(0.0f, 0.16f)},
- .scale = {paradiso::Vector2<float>::make(1.01f, 1.3f)}};
- backgroundRight = paradiso::Sprite{
- .bitmap = backgroundImage,
- .pivot = {paradiso::Vector2<float>::make(2.018f, 0.16f)},
- .scale = {paradiso::Vector2<float>::make(1.01f, 1.3f)}};
-
- auto grassImage = paradiso::BitmapIO::get().load("base.png");
- grassLeft = paradiso::Sprite{
- .bitmap = grassImage,
- .pivot = {paradiso::Vector2<float>::make(0.0f, -1.0f)},
- .scale = {paradiso::Vector2<float>::make(1.0f, 0.33333f)}};
- grassRight = paradiso::Sprite{
- .bitmap = grassImage,
- .pivot = {paradiso::Vector2<float>::make(2.0f, -1.0f)},
- .scale = {paradiso::Vector2<float>::make(1.0f, 0.33333f)}};
- }
-
- void draw(const paradiso::Shader& shader) {
- for (auto sprite : scrolling) {
- if (game_over == false) {
- if (sprite->pivot.x() <= -2.0f) {
- sprite->pivot.x() += 4.0f;
- }
- sprite->pivot.x() -= 0.002f;
- }
- shader.set_uniform("pivot", sprite->pivot);
- shader.set_uniform("scale", sprite->scale);
- shader.set_uniform("rotation", sprite->rotation);
- renderer.draw(*sprite, shader);
- }
- }
-};
-
-struct Pipe {
- paradiso::Sprite pipe_top{};
- paradiso::Sprite pipe_bottom{};
-
- paradiso::Renderer renderer1{};
- paradiso::Renderer renderer2{};
-
- bool paused = false;
-
- int pipe_spawn_rand_int = rand() % 80 + 15;
- float pipe_spawn_rand = float(pipe_spawn_rand_int) / 100;
-
- bool pos_reset = false;
-
- // TODO no constructors in rule of zero
-
- Pipe() {
- auto pipe_image = paradiso::BitmapIO::get().load("pipe-green.png");
-
- pipe_top = paradiso::Sprite{
- .bitmap = pipe_image,
- .pivot = {paradiso::Vector2<float>::make(1.4f,
- pipe_spawn_rand + 1.0f)},
- .scale = {paradiso::Vector2<float>::make(
- ((500.0f - (500.0f - 52.0f)) / 500.0f) * 2.25f,
- ((700.0f - (700.0f - 320.0f)) / 700.0f) * 2.25f)},
- .rotation = 3.1415926f};
- pipe_bottom = paradiso::Sprite{
- .bitmap = pipe_image,
- .pivot = {paradiso::Vector2<float>::make(1.4f,
- pipe_spawn_rand - 1.5f)},
- .scale = {paradiso::Vector2<float>::make(
- ((500.0f - (500.0f - 52.0f)) / 500.0f) * 2.25f,
- ((700.0f - (700.0f - 320.0f)) / 700.0f) * 2.25f)}};
-
- paused = true;
- }
-
- void update() {
-
- // TODO improve state handling
-
- if (game_over == true) {
- paused = true;
- }
-
- if (paused == true) {
- return;
- } else {
- pipe_spawn_rand_int = rand() % 80 + 15;
- pipe_spawn_rand = float(pipe_spawn_rand_int) / 100;
-
- pipe_top.pivot.x() -= 0.02f;
- pipe_bottom.pivot.x() -= 0.02f;
-
- risky_pos_x = pipe_top.pivot.x();
- risky_pos_max_x = pipe_top.pivot.x() +
- ((500.0f - (500.0f - 52.0f)) / 500.0f) * 2.25f;
-
- risky_pos_top_y = pipe_top.pivot.y();
- risky_pos_top_max_y = pipe_top.pivot.y() + 10.0f;
-
- risky_pos_bottom_y = pipe_bottom.pivot.y();
- risky_pos_bottom_max_y = pipe_bottom.pivot.y() - 10.0f;
-
- if (pipe_top.pivot.x() <= -1.4f || pipe_bottom.pivot.x() <= -1.4f) {
- pos_reset = true;
-
- if (pos_reset == true) {
- pipe_top.pivot.y() = pipe_spawn_rand + 1.0f;
- pipe_bottom.pivot.y() = pipe_spawn_rand - 1.5;
-
- pos_reset = false;
- }
-
- pipe_top.pivot.x() = 1.4f;
- pipe_bottom.pivot.x() = 1.4f;
- }
- }
- }
-
- void draw(const paradiso::Shader& shader) {
- shader.set_uniform("pivot", pipe_bottom.pivot);
- shader.set_uniform("scale", pipe_bottom.scale);
- renderer1.draw(pipe_bottom, shader);
-
- shader.set_uniform("pivot", pipe_top.pivot);
- shader.set_uniform("scale", pipe_top.scale);
- shader.set_uniform("rotation", pipe_top.rotation);
- renderer1.draw(pipe_top, shader);
- }
-};
-
-struct Grass {
- paradiso::Sprite grassLeft;
- paradiso::Sprite grassRight;
- paradiso::Sprite* scrolling[2] = {&grassLeft, &grassRight};
-
- paradiso::Renderer renderer1{};
- paradiso::Renderer renderer2{};
-
- // TODO no constructors in rule of zero
- Grass() {
- auto grassImage = paradiso::BitmapIO::get().load("base.png");
- grassLeft = paradiso::Sprite{
- .bitmap = grassImage,
- .pivot = {paradiso::Vector2<float>::make(0.0f, -0.9f)},
- .scale = {paradiso::Vector2<float>::make(
- ((500.0f - (500.0f - 504.0f)) / 500.0f) * 2.25f,
- ((700.0f - (700.0f - 112.0f)) / 700.0f) * 2.25f)}};
- grassRight = paradiso::Sprite{
- .bitmap = grassImage,
- .pivot = {paradiso::Vector2<float>::make(1.002f, -0.9f)},
- .scale = {paradiso::Vector2<float>::make(
- ((500.0f - (500.0f - 504.0f)) / 500.0f) * 2.25f,
- ((700.0f - (700.0f - 112.0f)) / 700.0f) * 2.25f)}};
- }
-
- void draw(const paradiso::Shader& shader) {
- if (game_over == false) {
- grassLeft.pivot.x() -= 0.02f;
- grassRight.pivot.x() -= 0.02f;
-
- if (grassRight.pivot.x() <= 0.0f) {
- grassLeft.pivot.x() = 1.002f;
- }
- if (grassRight.pivot.x() <= -1.002f) {
- grassRight.pivot.x() = 1.002f;
- }
- }
-
- shader.set_uniform("pivot", grassLeft.pivot);
- shader.set_uniform("scale", grassLeft.scale);
- shader.set_uniform("rotation", grassLeft.rotation);
-
- shader.set_uniform("pivot", grassRight.pivot);
- shader.set_uniform("scale", grassRight.scale);
- shader.set_uniform("rotation", grassRight.rotation);
-
- renderer1.draw(grassLeft, shader);
- renderer2.draw(grassRight, shader);
- }
-};
-
-struct QuickWings {
- paradiso::Renderer renderer1{};
- paradiso::Renderer renderer2{};
- paradiso::Renderer renderer3{};
-
- std::array<paradiso::Sprite, 3> birds;
- unsigned int flap = 0;
- unsigned int flapSpeed = 15; // How many ticks per flap
- unsigned int flapCounter = 0; // How many ticks since last flap
-
- float velocity = 0.0f;
- const float max_velocity = 0.02f;
-
- const float gravity = -0.002f;
- const float move_up_velocity = 0.02f;
-
- bool move_up = false;
- bool paused = true;
-
- const float max_pos = 0.95f;
- const float min_pos = -0.5f;
-
- float pos = 0.34f;
-
- float rotation = 0.0f;
-
- int collision_counter = 0;
-
- // TODO no constructors in rule of zero
- QuickWings() {
- float scaleh = 0.08f;
- float scalew = 0.158f;
-
- birds = {
- paradiso::Sprite{
- .bitmap =
- paradiso::BitmapIO::get().load("yellowbird-downflap.png"),
- .pivot = {paradiso::Vector2<float>::make(0.0f, 0.0f)},
- .scale = {paradiso::Vector2<float>::make(scalew, scaleh)}},
- paradiso::Sprite{
- .bitmap =
- paradiso::BitmapIO::get().load("yellowbird-midflap.png"),
- .pivot = {paradiso::Vector2<float>::make(0.0f, 0.0f)},
- .scale = {paradiso::Vector2<float>::make(scalew, scaleh)}},
- paradiso::Sprite{
- .bitmap =
- paradiso::BitmapIO::get().load("yellowbird-upflap.png"),
- .pivot = {paradiso::Vector2<float>::make(0.0f, 0.0f)},
- .scale = {paradiso::Vector2<float>::make(scalew, scaleh)}}};
- }
-
- void draw(const paradiso::Shader& shader) {
- // Update flap state
- if (flapCounter < flapSpeed) {
- flapCounter++;
- } else {
- flapCounter = 0;
- flap = (flap + 1) % birds.size();
- }
-
- auto bird = birds[flap];
- bird.pivot.y() = pos;
- bird.rotation = rotation;
- shader.set_uniform("pivot", bird.pivot);
- shader.set_uniform("scale", bird.scale);
- shader.set_uniform("rotation", bird.rotation);
-
- switch (flap) {
- case 0:
- renderer1.draw(bird, shader);
- break;
- case 1:
- renderer2.draw(bird, shader);
- break;
- case 2:
- renderer3.draw(bird, shader);
- break;
- }
- }
-
- void update() {
-
- if (game_over == true) {
- paused = true;
- }
-
- // Stop game
- if (paused) {
- return;
- } else {
- // Apply gravity
- velocity += gravity;
-
- if (move_up)
- velocity += move_up_velocity - gravity;
-
- // Cap velocity
- if (velocity > max_velocity)
- velocity = max_velocity;
- if (velocity < -max_velocity)
- velocity = -max_velocity;
-
- // Cap position
- pos += velocity;
- if (pos < min_pos) {
- pos = min_pos;
- velocity = 0.0f;
- game_over = true;
- }
- if (pos > max_pos) {
- pos = max_pos;
- velocity = 0.0f;
- game_over = true;
- }
-
- // Update rotation
- rotation = velocity * 10.0f;
- }
-
- float final_risky_pos_top_y = risky_pos_top_y - 1.06f;
- float final_risky_pos_bottom_y = risky_pos_bottom_y + 1.06f;
-
- if (risky_pos_x - 0.3f <= 0.0f && risky_pos_max_x >= 0.0f) {
- if (pos >= final_risky_pos_top_y && pos <= risky_pos_top_max_y) {
- game_over = true;
- }
- if (pos <= final_risky_pos_bottom_y &&
- pos >= risky_pos_bottom_max_y) {
- if (collision_counter == 0) {
- collision_counter++;
- } else {
- collision_counter = 2;
- }
-
- if (collision_counter == 2) {
- game_over = true;
- }
- }
- }
- }
-
- // keyboard handler
- void on_keyboard(const paradiso::Window::KeyboardInputStack& input) {
- if (input.size()) {
- paused = false;
-
- if (paused == false) {
- bool pressed_up =
- input.top().key == ' ' || input.top().key == 'W';
-
- if (input.top().action == 1 && pressed_up) {
- move_up = true;
- } else if (input.top().action == 0 && pressed_up) {
- move_up = false;
- }
- } else {
- return;
- }
- }
- }
-};
-
-struct Message {
- paradiso::Sprite messageSprite;
- paradiso::Renderer renderer{};
- bool start = false;
- float pos = 100.0f;
-
- Message() {
- auto messageImage = paradiso::BitmapIO::get().load("message.png");
- messageSprite = paradiso::Sprite{
- .bitmap = messageImage,
- .pivot = {paradiso::Vector2<float>::make(0.0f, 0.0f)},
- .scale = {paradiso::Vector2<float>::make(0.8f, 0.8f)}};
- };
-
- void draw(const paradiso::Shader& shader) {
- shader.set_uniform("pivot", messageSprite.pivot);
- shader.set_uniform("scale", messageSprite.scale);
- renderer.draw(messageSprite, shader);
- }
-
- void update() {
- if (start == true) {
- messageSprite.pivot.y() = pos;
- }
- }
-
- void on_keyboard(const paradiso::Window::KeyboardInputStack& input) {
- if (input.size()) {
- start = true;
- }
- }
-};
-
-struct GameOverMessage {
- paradiso::Sprite messageSprite;
- paradiso::Renderer renderer{};
-
- GameOverMessage() {
- auto messageImage = paradiso::BitmapIO::get().load("gameover.png");
- messageSprite = paradiso::Sprite{
- .bitmap = messageImage,
- .pivot = {paradiso::Vector2<float>::make(0.0f, 0.4f)},
- .scale = {paradiso::Vector2<float>::make(
- ((500.0f - (500.0f - 192.0f)) / 500.0f) * 2.25f,
- ((700.0f - (700.0f - 42.0f)) / 700.0f) * 2.25f)}};
- };
-
- void draw(const paradiso::Shader& shader) {
- shader.set_uniform("pivot", messageSprite.pivot);
- shader.set_uniform("scale", messageSprite.scale);
- renderer.draw(messageSprite, shader);
- }
-};
-
-auto main() -> int {
- std::srand(std::time(nullptr));
-
- // Ausgabefenster ... sieht aus als wäre es auf dem Stack
- auto window = paradiso::Window();
-
- auto size = paradiso::Size{.width = 500, .height = 700};
-
- /*
- window.set_resizecallback([](auto& w) -> void {
- w.set_size(paradiso::Size{.width = 405, .height = 720});
- });
-
-*/
- window
- .set_size(size) // ... Grösse
- .set_position(paradiso::Point{.x = 1920 / 2 - 500 / 2,
- .y = 1080 / 2 - 700 / 2}) // ... Position
- .set_title("PardiSO.FlappyBird") // ... Titel
- .set_visible(true); // ... und jetzt anzeigen!
-
- // der Fenster Kontext
- auto ctx = paradiso::Context{};
-
- // ein Shader (Schattierungsprogramm)
- auto shader = paradiso::Shader{};
-
- // wir nutzen einen vorgefertigten shader
- shader.load_preset(paradiso::Shader::Preset::Sprite);
-
- // ein viewport stellt die Sicht der Kamera dar, d.h. bei quadratischen
- // Pixeln sollte hier auch eine dementsprechende Grösse eingestellt
- // werden
- ctx.set_viewport(paradiso::Rectangle{
- .position = paradiso::Point{.x = 0, .y = 0}, .size = size});
-
- // nothing beats a classic look
- ctx.set_clearcolor(paradiso::RGBA::from_rgb(0x00, 0x00, 0x00));
-
- // Asset loader bekommt den Pfad
-
- paradiso::BitmapIO::get().set_path("assets");
-
- // Load
- auto background = Background{};
- auto grass = Grass{};
- auto quickwingsapp = QuickWings{};
- auto pipe = Pipe{};
- auto message = Message{};
- auto gameover = GameOverMessage{};
-
- // timer
-
- // das update führt den hier mitgegebnen Ausdruck innerhalb der internen
- // Updates des Fensters auf. Es wird hier auch explizit ein bool gefordert
- // damit das update auch zu jederzeit unterbrochen werden kann
- while (window.update([&](paradiso::Window& w) -> bool {
- ctx.set_viewport(paradiso::Rectangle{
- .position = paradiso::Point{.x = 0, .y = 0}, .size = size});
-
- ctx.clear();
- auto t1 = std::chrono::high_resolution_clock::now();
-
- // Keyboard and state change + update
- if (quickwingsapp.paused == false) {
- pipe.paused = false;
- }
-
- pipe.update();
-
- quickwingsapp.on_keyboard(w.keyboard_input());
- quickwingsapp.update();
-
- message.on_keyboard(w.keyboard_input());
- message.update();
-
- // Draw
- background.draw(shader);
- pipe.draw(shader);
- grass.draw(shader);
- message.draw(shader);
-
- if (game_over == true) {
- gameover.draw(shader);
- }
-
- quickwingsapp.draw(shader);
-
- // wait for frame rate
- auto t2 = std::chrono::high_resolution_clock::now();
- auto duration =
- std::chrono::duration_cast<std::chrono::microseconds>(t2 - t1);
- auto wait = std::chrono::microseconds(1000000 / frame_rate) - duration;
- std::this_thread::sleep_for(wait);
-
- // Quit
- return !(w.keyboard_input().size() &&
- w.keyboard_input().top().key == 'Q');
- })) {
- };
-
- return 0;
-}
diff --git a/examples/tappyplane/CMakeLists.txt b/examples/tappyplane/CMakeLists.txt
new file mode 100644
index 0000000..7d4f40a
--- /dev/null
+++ b/examples/tappyplane/CMakeLists.txt
@@ -0,0 +1,18 @@
+set(tappyplane_srcs tappyplane.cpp)
+set(tappyplane_assets
+ assets/PNG/background.png
+ )
+
+set_source_files_properties(${tappyplane_assets} PROPERTIES HEADER_FILE_ONLY TRUE)
+
+add_executable(tappyplane ${tappyplane_srcs} ${tappyplane_assets})
+
+target_link_libraries(tappyplane paradiso_core)
+
+#
+# copy files to bin/../assets folder
+#
+add_custom_command(TARGET tappyplane POST_BUILD
+ COMMAND ${CMAKE_COMMAND} -E copy_directory
+ ${CMAKE_CURRENT_SOURCE_DIR}/assets/
+ $<TARGET_FILE_DIR:tappyplane>/assets)
diff --git a/examples/quickwings/assets/tappybird/Font/kenvector_future.ttf b/examples/tappyplane/assets/Font/kenvector_future.ttf
similarity index 100%
rename from examples/quickwings/assets/tappybird/Font/kenvector_future.ttf
rename to examples/tappyplane/assets/Font/kenvector_future.ttf
diff --git a/examples/quickwings/assets/tappybird/Font/kenvector_future_thin.ttf b/examples/tappyplane/assets/Font/kenvector_future_thin.ttf
similarity index 100%
rename from examples/quickwings/assets/tappybird/Font/kenvector_future_thin.ttf
rename to examples/tappyplane/assets/Font/kenvector_future_thin.ttf
diff --git a/examples/quickwings/assets/tappybird/PNG/Letters/letterA.png b/examples/tappyplane/assets/PNG/Letters/letterA.png
similarity index 100%
rename from examples/quickwings/assets/tappybird/PNG/Letters/letterA.png
rename to examples/tappyplane/assets/PNG/Letters/letterA.png
diff --git a/examples/quickwings/assets/tappybird/PNG/Letters/letterB.png b/examples/tappyplane/assets/PNG/Letters/letterB.png
similarity index 100%
rename from examples/quickwings/assets/tappybird/PNG/Letters/letterB.png
rename to examples/tappyplane/assets/PNG/Letters/letterB.png
diff --git a/examples/quickwings/assets/tappybird/PNG/Letters/letterC.png b/examples/tappyplane/assets/PNG/Letters/letterC.png
similarity index 100%
rename from examples/quickwings/assets/tappybird/PNG/Letters/letterC.png
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rename to examples/tappyplane/assets/Spritesheet/sheet.png
diff --git a/examples/quickwings/assets/tappybird/Spritesheet/sheet.xml b/examples/tappyplane/assets/Spritesheet/sheet.xml
similarity index 100%
rename from examples/quickwings/assets/tappybird/Spritesheet/sheet.xml
rename to examples/tappyplane/assets/Spritesheet/sheet.xml
diff --git a/examples/quickwings/assets/tappybird/Vector/vector.svg b/examples/tappyplane/assets/Vector/vector.svg
similarity index 100%
rename from examples/quickwings/assets/tappybird/Vector/vector.svg
rename to examples/tappyplane/assets/Vector/vector.svg
diff --git a/examples/quickwings/assets/tappybird/Vector/vector.swf b/examples/tappyplane/assets/Vector/vector.swf
similarity index 100%
rename from examples/quickwings/assets/tappybird/Vector/vector.swf
rename to examples/tappyplane/assets/Vector/vector.swf
diff --git a/examples/quickwings/assets/tappybird/license.txt b/examples/tappyplane/assets/license.txt
similarity index 100%
rename from examples/quickwings/assets/tappybird/license.txt
rename to examples/tappyplane/assets/license.txt
diff --git a/examples/quickwings/assets/tappybird/preview.png b/examples/tappyplane/assets/preview.png
similarity index 100%
rename from examples/quickwings/assets/tappybird/preview.png
rename to examples/tappyplane/assets/preview.png
diff --git a/examples/quickwings/assets/tappybird/sample.png b/examples/tappyplane/assets/sample.png
similarity index 99%
rename from examples/quickwings/assets/tappybird/sample.png
rename to examples/tappyplane/assets/sample.png
index efccaf4..5532803 100644
Binary files a/examples/quickwings/assets/tappybird/sample.png and b/examples/tappyplane/assets/sample.png differ
diff --git a/examples/tappyplane/tappyplane.cpp b/examples/tappyplane/tappyplane.cpp
new file mode 100644
index 0000000..cda1265
--- /dev/null
+++ b/examples/tappyplane/tappyplane.cpp
@@ -0,0 +1,456 @@
+/**
+ * paradiso - Paradigmen der Softwareentwicklung
+ *
+ * (c) Copyright 2023-2025 Hartmut Seichter and Contributors
+ *
+ */
+
+#include <paradiso/bitmap.hpp>
+#include <paradiso/bitmap_io.hpp>
+#include <paradiso/context.hpp>
+#include <paradiso/geometry.hpp>
+#include <paradiso/renderer.hpp>
+#include <paradiso/shader.hpp>
+#include <paradiso/sprite.hpp>
+#include <paradiso/utils.hpp>
+#include <paradiso/vector.hpp>
+#include <paradiso/window.hpp>
+
+#include <chrono>
+#include <thread>
+
+#include <iostream>
+
+static const unsigned int FRAME_RATE = 60;
+static const unsigned int WINDOW_WIDTH = 800;
+static const unsigned int WINDOW_HEIGHT = 480;
+static const unsigned int WINDOW_SCALE = 2;
+
+// x,y+h --- x+w,y+h
+// | |
+// | |
+// | |
+// x,y ----- x+w,y
+struct AABB {
+ paradiso::Vector2<float> position{};
+ paradiso::Vector2<float> size{};
+
+ bool is_colliding_with(const AABB& other) {
+ return position.x() < other.position.x() + other.size.x() &&
+ position.x() + size.x() > other.position.x() &&
+ position.y() < other.position.y() + other.size.y() &&
+ position.y() + size.y() > other.position.y();
+ }
+};
+
+struct Background {
+ static constexpr float SCROLLING_SPEED = 0.003f;
+
+ std::array<paradiso::Sprite, 2> sprites;
+ paradiso::Renderer renderer{};
+
+ paradiso::Bitmap image =
+ paradiso::BitmapIO::get().load("PNG/background.png");
+
+ void init() {
+ sprites = {paradiso::Sprite{
+ .bitmap = image,
+ .pivot = {paradiso::Vector2<float>::make(0.0f, 0.0f)},
+ .scale = {paradiso::Vector2<float>::make(1.0f, 1.0f)}},
+ paradiso::Sprite{
+ .bitmap = image,
+ .pivot = {paradiso::Vector2<float>::make(2.0f, 0.0f)},
+ .scale = {paradiso::Vector2<float>::make(1.0f, 1.0f)}}};
+ }
+
+ void update() {
+ for (auto& sprite : sprites) {
+ sprite.pivot.x() -= SCROLLING_SPEED;
+ if (sprite.pivot.x() <= -2.0f) {
+ sprite.pivot.x() += 4.0f;
+ }
+ }
+ }
+
+ void draw(const paradiso::Shader& shader) {
+ for (const auto& sprite : sprites) {
+ shader.set_uniform("pivot", sprite.pivot);
+ shader.set_uniform("scale", sprite.scale);
+ shader.set_uniform("rotation", sprite.rotation);
+ renderer.draw(sprite, shader);
+ }
+ }
+};
+
+struct Ground {
+ static constexpr float SCROLLING_SPEED = 0.009f;
+
+ std::array<paradiso::Sprite, 2> sprites;
+ paradiso::Renderer renderer{};
+
+ // Maybe put this into 'init()' because we might use the other textures
+ // like snow, ice, ... and then we can parameterize this.
+ paradiso::Bitmap image =
+ paradiso::BitmapIO::get().load("PNG/groundGrass.png");
+
+ AABB aabb{};
+
+ void init() {
+ // The image's height is 71 px.
+ float scale_y = 71.0f / (float)WINDOW_HEIGHT;
+
+ float pivot_y = -1.0f + scale_y;
+
+ sprites = {
+ paradiso::Sprite{
+ .bitmap = image,
+ .pivot = {paradiso::Vector2<float>::make(0.0f, pivot_y)},
+ .scale = {paradiso::Vector2<float>::make(1.0f, scale_y)}},
+ paradiso::Sprite{
+ .bitmap = image,
+ .pivot = {paradiso::Vector2<float>::make(2.0f, pivot_y)},
+ .scale = {paradiso::Vector2<float>::make(1.0f, scale_y)}}};
+
+ // We'll make the height half the height of the texture.
+ // (If you want 1:1 size, you need to double the scale of the sprite.)
+ aabb = AABB{
+ .position = {paradiso::Vector2<float>::make(-1.0f, -1.0f)},
+ .size = {paradiso::Vector2<float>::make(2.0f, scale_y)}
+ };
+ }
+
+ void update() {
+ for (auto& sprite : sprites) {
+ sprite.pivot.x() -= SCROLLING_SPEED;
+ if (sprite.pivot.x() <= -2.0f) {
+ sprite.pivot.x() += 4.0f;
+ }
+ }
+ }
+
+ void draw(const paradiso::Shader& shader) {
+ for (const auto& sprite : sprites) {
+ shader.set_uniform("pivot", sprite.pivot);
+ shader.set_uniform("scale", sprite.scale);
+ shader.set_uniform("rotation", sprite.rotation);
+ renderer.draw(sprite, shader);
+ }
+ }
+};
+
+struct Rocks {
+ static constexpr float SCROLLING_SPEED = 0.006f;
+ static constexpr float GAP_SIZE = 1.6f;
+
+ paradiso::Sprite top_sprite;
+ paradiso::Sprite bottom_sprite;
+
+ paradiso::Renderer top_renderer{};
+ paradiso::Renderer bottom_renderer{};
+
+ // Maybe put this into 'init()' because we might use the other textures
+ // like snow, ice, ... and then we can parameterize this.
+ paradiso::Bitmap top_image =
+ paradiso::BitmapIO::get().load("PNG/rockGrassDown.png");
+ paradiso::Bitmap bottom_image =
+ paradiso::BitmapIO::get().load("PNG/rockGrass.png");
+
+ AABB top_aabb;
+ AABB bottom_aabb;
+
+ void init(float x) {
+ // The image's size is 108x239 px.
+ float scale_x = 108.0f / (float)WINDOW_WIDTH;
+ float scale_y = 239.0f / (float)WINDOW_HEIGHT;
+ auto scale = paradiso::Vector2<float>{
+ paradiso::Vector2<float>::make(scale_x, scale_y)};
+
+ float top_position_y =
+ 1.0f - scale_y + ((float)(std::rand() % 60) / 100) + 0.04f;
+ float bottom_position_y = top_position_y - GAP_SIZE;
+
+ top_sprite = paradiso::Sprite{
+ .bitmap = top_image,
+ .pivot = {paradiso::Vector2<float>::make(x, top_position_y)},
+ .scale = scale};
+
+ bottom_sprite = paradiso::Sprite{
+ .bitmap = bottom_image,
+ .pivot = {paradiso::Vector2<float>::make(x, bottom_position_y)},
+ .scale = scale};
+
+ // We'll make the width half the width of the texture.
+ // (If you want 1:1 size, you need to double the scale of the sprite.)
+ auto size = paradiso::Vector2<float>{
+ paradiso::Vector2<float>::make(scale_x, scale_y * 2)};
+
+ auto top_position =
+ paradiso::Vector2<float>{paradiso::Vector2<float>::make(
+ top_sprite.pivot.x() - size.x() / 2,
+ top_sprite.pivot.y() - size.y() / 2)};
+
+ auto bottom_position =
+ paradiso::Vector2<float>{paradiso::Vector2<float>::make(
+ bottom_sprite.pivot.x() - size.x() / 2,
+ bottom_sprite.pivot.y() - size.y() / 2)};
+
+ top_aabb = AABB{top_position, size};
+ bottom_aabb = AABB{bottom_position, size};
+ }
+
+ void update() {
+ top_sprite.pivot.x() -= SCROLLING_SPEED;
+ bottom_sprite.pivot.x() -= SCROLLING_SPEED;
+
+ // +----------+
+ // | |
+ // | # #-------- the x it is.
+ // | \ |
+ // +----\-----+
+ // \
+ // *------- the x we need.
+
+ // @Efficiency: We could just scroll it with the sprite.
+ top_aabb.position.x() = top_sprite.pivot.x() - top_aabb.size.x() / 2;
+ bottom_aabb.position.x() =
+ bottom_sprite.pivot.x() - bottom_aabb.size.x() / 2;
+
+ if (top_sprite.pivot.x() <= -1.2f) {
+ // Reset.
+ init(1.2f);
+ return;
+ }
+ }
+
+ void draw(const paradiso::Shader& shader) {
+ shader.set_uniform("pivot", top_sprite.pivot);
+ shader.set_uniform("scale", top_sprite.scale);
+ shader.set_uniform("rotation", top_sprite.rotation);
+ top_renderer.draw(top_sprite, shader);
+
+ shader.set_uniform("pivot", bottom_sprite.pivot);
+ shader.set_uniform("scale", bottom_sprite.scale);
+ shader.set_uniform("rotation", bottom_sprite.rotation);
+ bottom_renderer.draw(bottom_sprite, shader);
+ }
+};
+
+struct Plane {
+ static const unsigned int SPRITE_COUNT = 3;
+ static constexpr float GRAVITY = -0.001f;
+ static constexpr float JUMP_VELOCITY = 0.03f;
+ static constexpr float MAX_VELOCITY = 0.03f;
+
+ std::array<paradiso::Sprite, SPRITE_COUNT> sprites;
+ std::array<paradiso::Renderer, SPRITE_COUNT> renderers;
+
+ unsigned int anim_interval = 10;
+ unsigned int anim_counter = 0;
+
+ // The direction where 'current_sprite' should go because the animation
+ // shouldn't loop.
+ int anim_direction = 1;
+
+ unsigned int current_sprite = 0;
+
+ float position_y = 0.5f;
+ float rotation = 0.0f;
+
+ float velocity_y = 0.0f;
+
+ AABB aabb;
+
+ void init() {
+ // The image's size is 88x73 px.
+ float scale_x = 88.0f / (float)WINDOW_WIDTH;
+ float scale_y = 73.0f / (float)WINDOW_HEIGHT;
+
+ auto pivot = paradiso::Vector2<float>{
+ paradiso::Vector2<float>::make(0.0f, position_y)};
+ auto scale = paradiso::Vector2<float>{
+ paradiso::Vector2<float>::make(scale_x, scale_y)};
+
+ sprites = {
+ paradiso::Sprite{.bitmap = paradiso::BitmapIO::get().load(
+ "PNG/Planes/planeRed1.png"),
+ .pivot = pivot,
+ .scale = scale},
+ paradiso::Sprite{.bitmap = paradiso::BitmapIO::get().load(
+ "PNG/Planes/planeRed2.png"),
+ .pivot = pivot,
+ .scale = scale},
+ paradiso::Sprite{.bitmap = paradiso::BitmapIO::get().load(
+ "PNG/Planes/planeRed3.png"),
+ .pivot = pivot,
+ .scale = scale},
+ };
+
+ // We'll make the size half the size of the texture.
+ // (If you want 1:1 size, you need to double the scale of the sprite.)
+ auto size = paradiso::Vector2<float>{
+ paradiso::Vector2<float>::make(scale_x, scale_y)};
+
+ // Center it.
+ auto position = paradiso::Vector2<float>{paradiso::Vector2<float>::make(
+ pivot.x() - size.x() / 2, pivot.y() - size.y() / 2)};
+
+ aabb = AABB{position, size};
+ }
+
+ void update(const paradiso::Window::KeyboardInputStack& input) {
+ if (anim_counter < anim_interval) {
+ anim_counter++;
+ } else {
+ anim_counter = 0;
+
+ current_sprite += anim_direction;
+ if (current_sprite == SPRITE_COUNT - 1) {
+ anim_direction = -1;
+ } else if (current_sprite == 0) {
+ anim_direction = 1;
+ }
+ }
+
+ if (input.size() && input.top().key == ' ' && input.top().action == 1) {
+ velocity_y += JUMP_VELOCITY;
+ } else {
+ velocity_y += GRAVITY;
+ }
+
+ velocity_y = std::clamp(velocity_y, -MAX_VELOCITY, MAX_VELOCITY);
+ position_y += velocity_y;
+
+ // +---------+
+ // | |
+ // | #------- the y it is.
+ // | |
+ // +----#----+
+ // \
+ // *----- the y we need.
+
+ // @Efficiency: We could just add the velocity.
+ aabb.position.y() = position_y - aabb.size.y() / 2;
+
+ rotation = velocity_y * 500.0f;
+ }
+
+ void draw(const paradiso::Shader& shader) {
+ auto sprite = sprites[current_sprite];
+ sprite.rotation = rotation * (std::numbers::pi / 180.0f);
+ sprite.pivot.y() = position_y;
+
+ shader.set_uniform("pivot", sprite.pivot);
+ shader.set_uniform("scale", sprite.scale);
+ shader.set_uniform("rotation", sprite.rotation);
+ renderers[current_sprite].draw(sprite, shader);
+ }
+};
+
+auto main() -> int {
+ std::srand(std::time(nullptr));
+
+ auto canvas_size = paradiso::Size{.width = WINDOW_WIDTH * WINDOW_SCALE,
+ .height = WINDOW_HEIGHT * WINDOW_SCALE};
+
+ // Unser Fenster, auf das wir rendern.
+ auto window = paradiso::Window();
+ window
+ .set_size(canvas_size) // ... Größe
+ .set_position(paradiso::Point{.x = 200, .y = 200}) // ... Position
+ .set_title("ParadiSO.TappyPlane") // ... Titel
+ .set_visible(true); // ... und jetzt anzeigen!
+
+ // Der Fenster Context.
+ auto context = paradiso::Context{};
+
+ // Ein Shader (Schattierungsprogramm).
+ auto shader = paradiso::Shader{};
+
+ // Wir nutzen einen vorgefertigten Shader, der speziell für Sprites ist.
+ shader.load_preset(paradiso::Shader::Preset::Sprite);
+
+ // Ein Viewport stellt die Sicht der Kamera dar, d.h. bei quadratischen
+ // Pixeln sollte hier auch eine dementsprechende Größe eingestellt
+ // werden.
+ context.set_viewport(paradiso::Rectangle{
+ .position = paradiso::Point{.x = 0, .y = 0}, .size = canvas_size});
+
+ // Conflower blue
+ context.set_clearcolor(paradiso::RGBA::from_rgb(0x64, 0x95, 0xED));
+
+ // Der Asset Loader bekommt den Pfad.
+ paradiso::BitmapIO::get().set_path("assets");
+
+ // Wir initialisieren unsere Sachen.
+ auto background = Background{};
+ background.init();
+
+ auto ground = Ground{};
+ ground.init();
+
+ auto rocks1 = Rocks{};
+ rocks1.init(1.2f);
+
+ auto rocks2 = Rocks{};
+ rocks2.init(2.4f);
+
+ auto plane = Plane{};
+ plane.init();
+
+ auto top_aabb =
+ AABB{.position = {paradiso::Vector2<float>::make(-1.0f, 1.0f)},
+ .size = {paradiso::Vector2<float>::make(2.0f, 0.5f)}};
+
+ while (window.update([&](paradiso::Window& window) -> bool {
+ background.update();
+ ground.update();
+
+ rocks1.update();
+ rocks2.update();
+
+ plane.update(window.keyboard_input());
+
+ if (plane.aabb.is_colliding_with(rocks1.top_aabb) ||
+ plane.aabb.is_colliding_with(rocks1.bottom_aabb) ||
+ plane.aabb.is_colliding_with(rocks2.top_aabb) ||
+ plane.aabb.is_colliding_with(rocks2.bottom_aabb) ||
+ plane.aabb.is_colliding_with(top_aabb) ||
+ plane.aabb.is_colliding_with(ground.aabb)) {
+
+ std::cout << "COLLIDING" << std::endl;
+ }
+
+ auto t1 = std::chrono::high_resolution_clock::now();
+
+ context.set_viewport(paradiso::Rectangle{
+ .position = paradiso::Point{.x = 0, .y = 0}, .size = canvas_size});
+ context.clear();
+
+ background.draw(shader);
+
+ plane.draw(shader);
+
+ rocks1.draw(shader);
+ rocks2.draw(shader);
+
+ ground.draw(shader);
+
+ // Einen kurzen Moment warten, um auf 60 FPS zu kommen.
+ auto t2 = std::chrono::high_resolution_clock::now();
+ auto duration =
+ std::chrono::duration_cast<std::chrono::microseconds>(t2 - t1);
+ auto wait = std::chrono::microseconds(1000000 / FRAME_RATE) - duration;
+ std::this_thread::sleep_for(wait);
+
+ if (window.keyboard_input().size() &&
+ window.keyboard_input().top().key == 'Q') {
+ // Update-Loop beenden.
+ return false;
+ }
+
+ return true;
+ })) {
+ };
+
+ return 0;
+}