feat: added simple_text example

examples/README.md

@@ -11,4 +11,5 @@ cargo run --example <example_name>
 |------------------------------------|----------------------------------------------------------------------------------------|
 | [hello_world](hello_world)         | A simple boilerplate example to show how to properly start creating a Comet App.       |
 | [textured_entity](textured_entity) | This covers the basics on how to create a camera and your first entity with a texture. |
-| [simple_move_2d](simple_move_2d)   | Simple demonstration of a hypothetical movement system in 2D.                          |
+| [simple_move_2d](simple_move_2d)   | A simple demonstration of a hypothetical movement system in 2D.                          |
+| [simple_text](simple_text)   | A simple demonstration of how to write some text in Comet.                          |

examples/simple_text.rs

@@ -0,0 +1,42 @@
+use comet::prelude::*;
+
+fn setup(app: &mut App, renderer: &mut Renderer2D) {
+    // Loading the font from the resources/fonts directory with a rendered size of 77px
+    renderer.load_font("./resources/fonts/PressStart2P-Regular.ttf", 77.0);
+
+    // Setting up camera
+    let camera = app.new_entity();
+    
+    app.add_component(camera, Transform2D::new());
+    app.add_component(camera, Camera2D::new(v2::new(2.0, 2.0), 1.0, 1));
+
+    // Creating the text entity
+    let text = app.new_entity();
+    app.add_component(text, Transform2D::new());
+    app.add_component(text, Text::new(
+        "comet",                                        // The content of the text
+        "./resources/fonts/PressStart2P-Regular.ttf",      // The used font (right now exact to the font path)
+        77.0,                                         // Pixel size at which the font will be drawn
+        true,                                        // Should the text be visible
+        sRgba::<f32>::from_hex("#abb2bfff")               // Color of the text
+    ));
+}
+
+fn update(app: &mut App, renderer: &mut Renderer2D, dt: f32) {
+    // Getting the windows size
+    let size = renderer.size();
+    
+    // Recalculating the position of the text every frame to ensure the same relative position
+    let transform = app.get_component_mut::<Transform2D>(1).unwrap();
+    transform.position_mut().set_x(-((size.width-50) as f32));
+    transform.position_mut().set_y((size.height-100) as f32);
+
+    renderer.render_scene_2d(app.scene());
+}
+
+fn main() {
+	App::new()
+        .with_preset(App2D)
+		.with_title("Simple Text")
+		.run::<Renderer2D>(setup, update);
+}