Add textures sprite explosion example

Author: wilsonsilva

examples/README.md

@@ -83,6 +83,7 @@ Examples using raylib textures functionality, including image/textures loading/g
 | 57 | [textures_npatch_drawing](textures/textures_npatch_drawing.rb)             | <img src="textures/textures_npatch_drawing.png" alt="textures_npatch_drawing" width="80"> | ⭐️⭐️⭐️☆ | 2.0 | 2.5 | [Jorge A. Gomes](https://github.com/overdev) |
 | 58 | [textures_background_scrolling](textures/textures_background_scrolling.rb) | <img src="textures/textures_background_scrolling.png" alt="textures_background_scrolling" width="80"> | ⭐️☆☆☆ | 2.0 | 2.5 | [Ray](https://github.com/raysan5) |
 | 59 | [textures_sprite_anim](textures/textures_sprite_anim.rb)                   | <img src="textures/textures_sprite_anim.png" alt="textures_sprite_anim" width="80"> | ⭐️⭐️☆☆ | 1.3 | 1.3 | [Ray](https://github.com/raysan5) |
+| 61 | [textures_sprite_explosion](textures/textures_sprite_explosion.rb)         | <img src="textures/textures_sprite_explosion.png" alt="textures_sprite_explosion" width="80"> | ⭐️⭐️☆☆ | 2.5 | 3.5 | [Ray](https://github.com/raysan5) |
 
 ## Text
 

examples/textures/resources/boom.wav

@@ -0,0 +1,112 @@
+# ******************************************************************************************
+#
+#   raylib [textures] example - sprite explosion
+#
+#   Example originally created with raylib 2.5, last time updated with raylib 3.5
+#
+#   Example ported to Ruby by Wilson Silva (@wilsonsilva). Works with Raylib 4.5
+#
+#   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+#   BSD-like license that allows static linking with closed source software
+#
+#   Copyright (c) 2019-2023 Anata and Ramon Santamaria (@raysan5)
+#
+# ******************************************************************************************
+
+require 'bundler/setup'
+require 'raylib'
+
+# Initialization
+# --------------------------------------------------------------------------------------
+SCREEN_WIDTH = 800
+SCREEN_HEIGHT = 450
+
+Raylib.init_window(SCREEN_WIDTH, SCREEN_HEIGHT, 'raylib [textures] example - sprite explosion')
+
+NUM_FRAMES_PER_LINE = 5
+NUM_LINES = 5
+
+Raylib.init_audio_device
+
+# Load explosion sound
+fx_boom = Raylib.load_sound(File.join(__dir__, 'resources/boom.wav'))
+
+# Load explosion texture
+explosion = Raylib.load_texture(File.join(__dir__, 'resources/explosion.png'))
+
+# Init variables for animation
+frame_width = explosion.width / NUM_FRAMES_PER_LINE.to_f
+frame_height = explosion.height / NUM_LINES.to_f
+current_frame = 0
+current_line = 0
+
+frame_rec = Raylib::Rectangle.create(0, 0, frame_width, frame_height) # Sprite one frame rectangle width
+position = Raylib::Vector2.create(0.0, 0.0)                           # Sprite one frame rectangle height
+
+active = false
+frames_counter = 0
+
+Raylib.set_target_fps(120)
+# --------------------------------------------------------------------------------------
+
+# Main game loop
+until Raylib.window_should_close # Detect window close button or ESC key
+  # Update
+  # ----------------------------------------------------------------------------------
+
+  # Check for mouse button pressed and activate explosion (if not active)
+  if Raylib.is_mouse_button_pressed(Raylib::MOUSE_BUTTON_LEFT) && !active
+    position = Raylib.get_mouse_position
+    active = true
+
+    position.x -= frame_width / 2.0
+    position.y -= frame_height / 2.0
+
+    Raylib.play_sound(fx_boom)
+  end
+
+  # Compute explosion animation frames
+  if active
+    frames_counter += 1
+
+    if frames_counter > 2
+      current_frame += 1
+
+      if current_frame >= NUM_FRAMES_PER_LINE
+        current_frame = 0
+        current_line += 1
+
+        if current_line >= NUM_LINES
+          current_line = 0
+          active = false
+        end
+      end
+
+      frames_counter = 0
+    end
+  end
+
+  frame_rec.x = frame_width * current_frame
+  frame_rec.y = frame_height * current_line
+  # ----------------------------------------------------------------------------------
+
+  # Draw
+  # ----------------------------------------------------------------------------------
+  Raylib.begin_drawing
+  Raylib.clear_background(Raylib::RAYWHITE)
+
+  # Draw explosion required frame rectangle
+  Raylib.draw_texture_rec(explosion, frame_rec, position, Raylib::WHITE) if active
+
+  Raylib.end_drawing
+  # ----------------------------------------------------------------------------------
+end
+
+# De-Initialization
+# --------------------------------------------------------------------------------------
+Raylib.unload_texture(explosion)  # Unload texture
+Raylib.unload_sound(fx_boom)      # Unload sound
+
+Raylib.close_audio_device
+Raylib.close_window
+# --------------------------------------------------------------------------------------