Better naming. opponent > enemy

src/entity.odin

@@ -9,7 +9,7 @@ import rl "vendor:raylib"
 
 Entity_Type :: enum {
     Player,
-    Enemy,
+    Opponent,
     Ball,
 }
 
@@ -29,8 +29,10 @@ Entity :: struct {
     speed:      f32,        
 	// 2D momentum & direction (ball / physics)
     vel:        rl.Vector2,    
+    target_y:   f32,
+    reaction_timer: f32
 }
 
 // ------------------------------------------------------------------------------
-// TODO: Entity Dispatchers
+// @todo: entity dispatchers
 // ------------------------------------------------------------------------------

src/entity_ball.odin

@@ -1,8 +1,8 @@
 package game
 
 import "core:math/rand"
-import "core:log"
 import rl "vendor:raylib"
+import "core:log"
 
 init_ball :: proc() -> Entity {
 	return Entity{
@@ -35,12 +35,9 @@ update_ball :: proc(ball: ^Entity, level: ^Level, dt: f32) {
         if level.serve_timer <= 0 {
             serve_ball(ball) 
         } 
-
-        // return early if timer still ticking
         return
    } 
 
-    // serve_ball(ball)
     ball.pos += ball.vel * dt
     radius := ball.size.x
     field_bounds := level.field_bounds
@@ -50,9 +47,9 @@ update_ball :: proc(ball: ^Entity, level: ^Level, dt: f32) {
         ball.vel.x = abs(ball.vel.x) 
         // stp stickiness
         ball.pos.x = level.player.pos.x + level.player.size.x + radius 
-    } else if check_ball_paddle_collision(ball^, level.enemy) {
+    } else if check_ball_paddle_collision(ball^, level.opponent) {
         ball.vel.x = -abs(ball.vel.x)
-        ball.pos.x = level.enemy.pos.x - radius
+        ball.pos.x = level.opponent.pos.x - radius
     }
 
     // bounds collision detection

src/level_manager.odin

@@ -1,5 +1,6 @@
 package game
 
+import "core:fmt"
 import rl "vendor:raylib"
 
 // ------------------------------------------------------------------------------
@@ -8,7 +9,7 @@ import rl "vendor:raylib"
 Level :: struct {
     field_bounds: rl.Rectangle,
     player:       Entity,
-    enemy:        Entity,
+    opponent:     Entity,
     ball:         Entity,
     serve_timer:  f32,
     wait_time:    f32,
@@ -17,7 +18,7 @@ Level :: struct {
 }
 
 FIELD_BORDER :: 3
-SERVE_WAIT_TIME :: 0.5
+SERVE_WAIT_TIME :: 1.0
 
 init_level :: proc() -> Level {
     // positions work off viewport resolution, independent of target display size
@@ -36,14 +37,14 @@ init_level :: proc() -> Level {
     player_ent.pos.x = bounds.x + FIELD_BORDER
     player_ent.pos.y = bounds.y + (bounds.height / 2) - (player_ent.size.y / 2)
 
-    enemy_ent := init_enemy()
+    opponent_ent := init_opponent()
-    enemy_ent.pos.x = (bounds.x + bounds.width) - (enemy_ent.size.x) - FIELD_BORDER
+    opponent_ent.pos.x = (bounds.x + bounds.width) - (opponent_ent.size.x) - FIELD_BORDER
-    enemy_ent.pos.y = bounds.y + (bounds.height / 2) - (enemy_ent.size.y / 2)
+    opponent_ent.pos.y = bounds.y + (bounds.height / 2) - (opponent_ent.size.y / 2)
 
     return Level{
         field_bounds = bounds,
         player       = player_ent,
-        enemy        = enemy_ent,
+        opponent     = opponent_ent,
         ball         = init_ball(),
         serve_timer  = SERVE_WAIT_TIME,
         wait_time    = SERVE_WAIT_TIME,
@@ -53,9 +54,9 @@ init_level :: proc() -> Level {
 }
 
 update_level :: proc(level: ^Level, input: Input_Event, dt: f32) {
-    update_player(&level.player, input, level.field_bounds, dt)
-    // update_enemy(&level.enemy, level.ball, level.field_bounds, dt)
     update_ball(&level.ball, level, dt)
+    update_player(&level.player, input, level.field_bounds, dt)
+    update_opponent(&level.opponent, level.ball, level.field_bounds, dt)
 }
 
 render_level :: proc(level: Level) {
@@ -68,6 +69,38 @@ render_level :: proc(level: Level) {
     rl.DrawLineEx(start_pos, end_pos, FIELD_BORDER, rl.WHITE)
 
     render_player(level.player, level.field_bounds)
-    render_enemy(level.enemy, level.field_bounds)
+    render_opponent(level.opponent, level.field_bounds)
     render_ball(level.ball, level.field_bounds)
 }
+
+render_hud :: proc(level: Level) {
+    // 2 spacing, 20 font size, 5 padding
+    font := rl.GetFontDefault()
+
+    // player one id
+    p1_size := rl.MeasureTextEx(font, "PLAYER 1", 20, 2)
+    p1_box  := rl.Rectangle{5, 5, p1_size.x, p1_size.y}
+    p1_pos  := rl.Vector2{p1_box.x, p1_box.y}
+    rl.DrawTextEx(font, "PLAYER 1", p1_pos, 20, 2, rl.WHITE)
+    // rl.DrawRectangleLinesEx(p1_box, 1.0, rl.RED)
+
+    // opponent id
+    opp_size := rl.MeasureTextEx(font, "COMPUTER", 20, 2)
+    opp_box  := rl.Rectangle{(VIEWPORT_W - 5 - opp_size.x), 5, (opp_size.x), (opp_size.y)}
+    opp_pos  := rl.Vector2{opp_box.x, opp_box.y}
+    rl.DrawTextEx(font, "COMPUTER", opp_pos, 20, 2, rl.WHITE)
+    // rl.DrawRectangleLinesEx(opp_box, 1.0, rl.RED) 
+
+    // score box
+    // DYNAMIC SCORE BOX
+    // Format the score dynamically into a C-string allocated on the temp allocator
+    score_text := fmt.ctprintf("%d : %d", level.score_player, level.score_enemy)
+    score_size := rl.MeasureTextEx(font, score_text, 20, 2)
+    score_box  := rl.Rectangle{(VIEWPORT_W / 2 - score_size.x / 2), 5, (score_size.x), (score_size.y)}
+    score_pos  := rl.Vector2{score_box.x, score_box.y}
+    rl.DrawTextEx(font, score_text, score_pos, 20, 2, rl.WHITE)
+    // rl.DrawRectangleLinesEx(score_box, 1.0, rl.RED) 
+
+    // game name
+    // rl.DrawRectangleLines(VIEWPORT_W / 2 - 50, VIEWPORT_H - 50, 100, 50, rl.RED)
+}