Updated sublime file.

build.sh

@@ -4,6 +4,7 @@ set -e
 # Find the odin binary
 export PATH="$HOME/.odin:$PATH"
 
+
 SRC_DIR="src"
 OUT_DIR="out"
 OUT_NAME="pong"
@@ -16,91 +17,88 @@ DEBUGGER=0
 VALGRIND=0
 
 usage() {
-	echo "Usage: $0 [-b] [-o] [-w] [-d] [-v] [-c] [-h]"
-	echo "  -b   build only, don't run"
-	echo "  -o   optimized release build (-o:speed, no debug info)"
-	echo "  -w   web/WASM build (js_wasm32 target)"
-	echo "  -d   build then launch in debugger instead of running"
-	echo "  -v   build then run under Valgrind"
-	echo "  -c   clean build artifacts"
-	echo "  -h   show this help"
-	exit 1
+    echo "Usage: $0 [-b] [-o] [-w] [-d] [-v] [-c] [-h]"
+    echo "  -b    build only, don't run"
+    echo "  -o    optimized release build (-o:speed, no debug info)"
+    echo "  -w    web/WASM build (js_wasm32 target)"
+    echo "  -d    build then launch in debugger instead of running"
+    echo "  -v    build then run under Valgrind"
+    echo "  -c    clean build artifacts"
+    echo "  -h    show this help"
+    exit 1
 }
 
 while getopts "bowdvch" opt; do
-	case $opt in
-		b) BUILD_ONLY=1 ;;
-		o) OPTIMIZED=1 ;;
-		w) WEB=1 ;;
-		d) DEBUGGER=1 ;;
-		v) VALGRIND=1 ;;
-		c) CLEAN=1 ;;
-		h) usage ;;
-		*) usage ;;
-	esac
+    case $opt in
+        b) BUILD_ONLY=1 ;;
+        o) OPTIMIZED=1 ;;
+        w) WEB=1 ;;
+        d) DEBUGGER=1 ;;
+        v) VALGRIND=1 ;;
+        c) CLEAN=1 ;;
+        h) usage ;;
+        *) usage ;;
+    esac
 done
 
 mkdir -p "$OUT_DIR"
 
 if [ "$CLEAN" -eq 1 ]; then
-	echo "Cleaning..."
-	rm -rf "${OUT_DIR:?}"/*
-	exit 0
+    echo "Cleaning..."
+    rm -rf "${OUT_DIR:?}"/*
+    exit 0
 fi
 
 if [ "$WEB" -eq 1 ]; then
-	echo "Building web (WASM)..."
-	odin build "$SRC_DIR" \
-		-target:js_wasm32 \
-		-out:"$OUT_DIR/$OUT_NAME.wasm" \
-		$( [ "$OPTIMIZED" -eq 1 ] && echo "-o:speed" || echo "-debug" )
+    echo "Building web (WASM)..."
+    odin build "$SRC_DIR" \
+        -target:js_wasm32 \
+        -out:"$OUT_DIR/$OUT_NAME.wasm" \
+        $( [ "$OPTIMIZED" -eq 1 ] && echo "-o:speed" || echo "-debug" )
 
-	# Copy the HTML shell if one exists
-	if [ -f "web/index_template.html" ]; then
-		cp web/index_template.html "$OUT_DIR/index.html"
-	fi
+    # Copy the HTML shell if one exists
+    if [ -f "web/index_template.html" ]; then
+        cp web/index_template.html "$OUT_DIR/index.html"
+    fi
 
-	echo "Web build complete -> $OUT_DIR/$OUT_NAME.wasm"
-	exit 0
+    echo "Web build complete -> $OUT_DIR/$OUT_NAME.wasm"
+    exit 0
 fi
 
 if [ "$OPTIMIZED" -eq 1 ]; then
-	echo "Building optimized ($SRC_DIR -> $OUT_DIR/$OUT_NAME)..."
-	odin build "$SRC_DIR" \
-		-out:"$OUT_DIR/$OUT_NAME" \
-		-o:speed \
-		-no-bounds-check
+    echo "Building optimized ($SRC_DIR -> $OUT_DIR/$OUT_NAME)..."
+    odin build "$SRC_DIR" \
+        -out:"$OUT_DIR/$OUT_NAME" \
+        -o:speed u
+        -no-bounds-check 
 else
-	echo "Building debug ($SRC_DIR -> $OUT_DIR/$OUT_NAME)..."
-	odin build "$SRC_DIR" \
-		-out:"$OUT_DIR/$OUT_NAME" \
-		-define:DEBUG_MODE=true
+    echo "Building debug ($SRC_DIR -> $OUT_DIR/$OUT_NAME)..."
+    odin build "$SRC_DIR" \
+        -out:"$OUT_DIR/$OUT_NAME" \
+        -define:DEBUG_MODE=true 
 fi
 
 echo "Build complete."
 
 if [ "$BUILD_ONLY" -eq 0 ]; then
-	echo "----------------------------------------"
+    echo "----------------------------------------"
 
-	if [ "$DEBUGGER" -eq 1 ]; then
-		lldb "$OUT_DIR/$OUT_NAME"
+    if [ "$DEBUGGER" -eq 1 ]; then
+        lldb "$OUT_DIR/$OUT_NAME"
 
-	elif [ "$VALGRIND" -eq 1 ]; then
-        # --show-leak-kinds=definite,possible reduces tons of noise
-        # still shows the leaks you actually need to fix.
-		# to audit whole process, temporarily switch back to --show-leak-kinds=all
-    	valgrind \
+    elif [ "$VALGRIND" -eq 1 ]; then
+        valgrind \
         --leak-check=full \
         --show-leak-kinds=definite,possible \
         --track-origins=yes \
         --errors-for-leak-kinds=definite,possible \
         --error-exitcode=1 \
-		--log-file="$OUT_DIR/valgrind.log" \
-		"./$OUT_DIR/$OUT_NAME"
+        --log-file="$OUT_DIR/valgrind.log" \
+        "./$OUT_DIR/$OUT_NAME"
 
-		echo
-		echo "Valgrind report written to $OUT_DIR/valgrind.log"
-	else
-		"./$OUT_DIR/$OUT_NAME"
-	fi
+        echo
+        echo "Valgrind report written to $OUT_DIR/valgrind.log"
+    else
+        "./$OUT_DIR/$OUT_NAME"
+    fi
 fi

src/entity_ball.odin

@@ -4,12 +4,15 @@ import "core:math"
 import "core:math/rand"
 import rl "vendor:raylib"
 
+SPEED_INC :: 30
+EFFECTS_SPEED :: 300
+
 init_ball :: proc() -> Entity {
 	return Entity{
 		type   = .Ball,
 		active = true,
 		pos	   = rl.Vector2{(VIEWPORT_W / 2), (VIEWPORT_H / 2)},
-		speed  = 100,
+		speed  = 200,
         max_speed = 550,
 		vel    = rl.Vector2{0,0},
 		shape  = .Circle,
@@ -59,16 +62,17 @@ update_ball :: proc(ball: ^Entity, level: ^Level, dt: f32) {
         level.player.color = rl.Color{255,255,255,255}
         ball.tween_elapsed = 0.0
         resolve_collision(ball, level.player, true)
-        spawn_max_speed_sparks(&level.particles, level.player, ball.pos.y, true)
+        if ball.speed >= EFFECTS_SPEED {
+            spawn_max_speed_sparks(&level.particles, level.player, ball.pos.y, true)
+        }
 
-        // if ball.speed >= ball.max_speed - 100 {
-        //     spawn_max_speed_sparks(&level.particles, ball.pos, true)
-        // }
     } else if check_ball_paddle_collision(ball, level.opponent) {
         level.opponent.color = rl.Color{255,255,255,255}
         ball.tween_elapsed = 0.0
         resolve_collision(ball, level.opponent, false)
-        spawn_max_speed_sparks(&level.particles, level.opponent, ball.pos.y, false)
+        if ball.speed >= EFFECTS_SPEED {
+            spawn_max_speed_sparks(&level.particles, level.opponent, ball.pos.y, false)
+        }
     } else {
         level.opponent.color = rl.Color{255,255,255,0}
         level.player.color = rl.Color{255,255,255,0}
@@ -101,7 +105,7 @@ check_ball_paddle_collision :: proc(ball: ^Entity, paddle: Entity) -> bool {
         height = paddle.size.y,
     }
     collided := rl.CheckCollisionCircleRec(ball.pos, ball.size.x, paddle_rec)
-    if collided do emit_event(.Ball_Collision)
+    if collided do emit_event(Ball_Collision_Data{speed = ball.speed})
     return collided 
 }
 
@@ -115,7 +119,7 @@ increment_score :: proc(score_side: ^int, max_score: int, player: bool, ball: ^E
 
 increment_speed :: proc(ball: ^Entity) {
     if ball.speed <= ball.max_speed {
-        ball.speed += 45
+        ball.speed += SPEED_INC
         ball.vel = rl.Vector2Normalize({ball.vel.x, ball.vel.y}) * ball.speed
     }
 }
@@ -148,7 +152,7 @@ resolve_collision :: proc(ball: ^Entity, paddle: Entity, is_player: bool) {
 }
 
 update_ball_trail :: proc(ball: ^Entity, dt: f32) {
-    if ball.speed < 300 {
+    if ball.speed < EFFECTS_SPEED {
         ball.trail_count = 0
         return 
     } 

src/event_manager.odin

@@ -1,7 +1,8 @@
 package game
 
 Change_Resolution_Data :: struct { res_dir: int }
-Game_Over_Data         :: struct { winner_is_player: bool }
+Ball_Collision_Data :: struct { speed: f32, }
+Game_Over_Data      :: struct { winner_is_player: bool }
 
 Simple_Event :: enum {
     Game_Start,
@@ -14,13 +15,13 @@ Simple_Event :: enum {
     Game_Quit,
     UI_Select,
     Score_Change,
-    Ball_Collision,
 }
 
 Event :: union {
     Simple_Event,
     Change_Resolution_Data,
     Game_Over_Data,
+    Ball_Collision_Data,
 }
 
 // global event storage
@@ -56,6 +57,18 @@ process_events :: proc(game: ^Game) {
         case Game_Over_Data:
             push_scene(game, make_game_over_overlay(e.winner_is_player))
 
+        case Ball_Collision_Data:
+            // normalize the speed between 0.0 -> 1.0
+            // map that value to the camera displacement
+            min_speed: f32 = 200.0
+            max_speed: f32 = 550.0
+            speed_factor := clamp((e.speed - min_speed) / (max_speed - min_speed), 0, 1.0)
+
+            intensity := 0.5 + (speed_factor * 4.5) 
+            game_trigger_shake(game, intensity, duration = 0.15)
+
+            audio_play_sfx(&game.audio, .Ball_Collision)            
+
         case Simple_Event:
             #partial switch e {
             case .Game_Start:
@@ -81,8 +94,6 @@ process_events :: proc(game: ^Game) {
             case .UI_Select:
                 audio_play_sfx(&game.audio, .UI_Select)
 
-            case .Ball_Collision:
-                audio_play_sfx(&game.audio, .Ball_Collision)
             }
         }
     }

src/game.odin

@@ -1,10 +1,9 @@
 package game
 
 import "core:strings"
+import "core:math/rand"
 import rl "vendor:raylib"
 
-// VIEWPORT_W   :: 1280
-// VIEWPORT_H   :: 720
 VIEWPORT_W   :: 640
 VIEWPORT_H   :: 360
 WINDOW_TITLE :: "Pong"
@@ -26,10 +25,16 @@ RESOLUTIONS := [?]Resolution{
 Game :: struct {
     viewport:     rl.RenderTexture2D,
     bg_texture:   rl.Texture2D, 
+    crt_shader:   rl.Shader,
     scene_stack:  [dynamic]Scene,
     should_close: bool,
     audio:        Audio_Manager,
 
+    // Camera state for screen effects / screen shake
+    camera:       rl.Camera2D,
+    shake_intensity: f32,
+    shake_timer: f32,
+
     // resolution state
     window_w: i32,
     window_h: i32,
@@ -65,8 +70,8 @@ game_init :: proc(game: ^Game) {
     game.scene_stack = make([dynamic]Scene, 0, 8)
     game.viewport = rl.LoadRenderTexture(VIEWPORT_W, VIEWPORT_H)
 
-    // Force nearest neighbor point filtering on the viewport texture
-    rl.SetTextureFilter(game.viewport.texture, .POINT)
+    // Look into texture filters
+    rl.SetTextureFilter(game.viewport.texture, .BILINEAR)
 
     // Generate soft CRT background radial texture once on startup
     bg_center := rl.Color{22, 28, 36, 255}
@@ -74,7 +79,16 @@ game_init :: proc(game: ^Game) {
     bg_img    := rl.GenImageGradientRadial(VIEWPORT_W, VIEWPORT_H, 0.3, bg_center, bg_corner)
     game.bg_texture = rl.LoadTextureFromImage(bg_img)
     rl.UnloadImage(bg_img) // Free CPU memory
-    // rl.SetTextureFilter(game.bg_texture, .BILINEAR)
+
+    game.crt_shader = rl.LoadShader(nil, "assets/shaders/crt.fs")
+
+    // Setup 2D camera matching the 640x360 viewport center
+    game.camera = rl.Camera2D{
+        target   = rl.Vector2{VIEWPORT_W / 2.0, VIEWPORT_H / 2.0},
+        offset   = rl.Vector2{VIEWPORT_W / 2.0, VIEWPORT_H / 2.0},
+        rotation = 0.0,
+        zoom     = 1.0,
+    }
 
     game.should_close = false
     set_root_scene(game, make_main_menu()) 
@@ -84,6 +98,28 @@ game_update :: proc(game: ^Game) {
     dt := rl.GetFrameTime()
     input := poll_input()
 
+    // -------------------------------------------------------------------------
+    // Update Camera Shake
+    // -------------------------------------------------------------------------
+    base_center := rl.Vector2{VIEWPORT_W / 2.0, VIEWPORT_H / 2.0}
+
+    if game.shake_timer > 0 {
+        game.shake_timer -= dt
+
+        // Generate random offset within current intensity bounds
+        offset_x := (f32(rand.float32()) * 2.0 - 1.0) * game.shake_intensity
+        offset_y := (f32(rand.float32()) * 2.0 - 1.0) * game.shake_intensity
+
+        game.camera.target = base_center + rl.Vector2{offset_x, offset_y}
+
+        if game.shake_timer <= 0 {
+            game.shake_intensity = 0.0
+            game.camera.target = base_center
+        }
+    } else {
+        game.camera.target = base_center
+    }
+
     active_scene := get_active_scene(game)
     if active_scene != nil {
         scene_update(active_scene, game, input, dt)
@@ -103,12 +139,16 @@ game_render :: proc(game: ^Game) {
     rl.BeginTextureMode(game.viewport)
         rl.DrawTexture(game.bg_texture, 0, 0, rl.WHITE)        
 
-        // @note: fine for now but probably not a good idea...
-        // Render all scenes in the stack from bottom to top
-        for i in 0 ..< len(game.scene_stack) {
-            scene_render(&game.scene_stack[i])
-        }
+        // World/Scene objects rendered through 2D camera space
+        rl.BeginMode2D(game.camera)        
 
+            // @note: fine for now but probably not a good idea...
+            // Render all scenes in the stack from bottom to top
+            for i in 0 ..< len(game.scene_stack) {
+                scene_render(&game.scene_stack[i])
+            }
+
+        rl.EndMode2D()
     rl.EndTextureMode()
 
     render_game_to_window(game)
@@ -121,6 +161,7 @@ game_render :: proc(game: ^Game) {
 game_quit :: proc(game: ^Game) {
     audio_manager_quit(&game.audio)
 
+    rl.UnloadShader(game.crt_shader)
     rl.UnloadTexture(game.bg_texture)
     rl.UnloadRenderTexture(game.viewport)
     delete(GLOBAL_EVENTS)
@@ -133,6 +174,11 @@ game_should_run :: proc(game: Game) -> bool {
     return !game.should_close && !rl.WindowShouldClose()
 }
 
+game_trigger_shake :: proc(game: ^Game, intensity: f32, duration: f32 = 0.15) {
+    game.shake_intensity = max(game.shake_intensity, intensity)
+    game.shake_timer = duration 
+}
+
 // ------------------------------------------------------------------------------
 // Window Upscale Render 
 // ------------------------------------------------------------------------------
@@ -156,15 +202,16 @@ game_set_resolution :: proc(game: ^Game, res_index: int) {
 render_game_to_window :: proc(game: ^Game) {
     texture := game.viewport.texture
 
-    rl.DrawTexturePro(
-        texture, 
-        // src: inverted y coordinate flips opengl texture buffer correctly
-        rl.Rectangle{0, 0, f32(texture.width), -f32(texture.height)},
-        // dst: scales viewport canvas to fill window resolution
-        rl.Rectangle{0, 0, f32(game.window_w), f32(game.window_h)},
-        rl.Vector2{},
-        0,
-        rl.WHITE,
-    ) 
-
+    rl.BeginShaderMode(game.crt_shader)
+        rl.DrawTexturePro(
+            texture, 
+            // src: inverted y coordinate flips opengl texture buffer correctly
+            rl.Rectangle{0, 0, f32(texture.width), -f32(texture.height)},
+            // dst: scales viewport canvas to fill window resolution
+            rl.Rectangle{0, 0, f32(game.window_w), f32(game.window_h)},
+            rl.Vector2{},
+            0,
+            rl.WHITE,
+        ) 
+    rl.EndShaderMode()
 }