add basic engine simulation + working gauge

main.py

@@ -12,6 +12,12 @@ dt = 0
 
 player_pos = pygame.Vector2(screen.get_width() / 2, screen.get_height() / 2)
 
+# Text Setup
+pygame.font.init()
+font = pygame.font.SysFont(None, 64)
+
+
+# Gauge Setup
 rpm_pos = pygame.Vector2(screen.get_width() * 0.25, screen.get_height() / 2)
 spd_pos = pygame.Vector2(screen.get_width() * 0.75, screen.get_height() / 2)
 
@@ -20,7 +26,7 @@ gauge_radius = screen.get_height() / 5
 # Angle for gauge
 angle_rad = math.radians(145)
 
-needle_color = "black"
+needle_color = "white"
 needle_width = 4
 tip_radius = needle_width
 
@@ -29,29 +35,50 @@ offset_vector = pygame.Vector2(
     math.sin(angle_rad) * gauge_radius
 )
 
-e = engine()
+e = Engine()
+throttle = 0
+
+def map_value_to_angle(value, min_val, max_val):
+    clamped = max(min_val, min(value, max_val)) # Can change this later
+    return math.radians(150 + 270 * (clamped - min_val) / (max_val - min_val))
 
 while running:
+    mX, mY = pygame.mouse.get_pos()
     # poll for events
     # pygame.QUIT event means the user clicked X to close your window
     for event in pygame.event.get():
+        if event.type == pygame.KEYDOWN:
+            if (pygame.key.name(event.key) == 'v'):
+                if e.ignition:
+                    e.ignition = False
+                else:
+                    e.start(dt)
         if event.type == pygame.QUIT:
             running = False
 
     # fill the screen with a color to wipe away anything from last frame
     screen.fill("white")
 
-    # RPM
-    # Min = 0 at 45 degrees
-    # Max = 8 at 315 degrees
-    pygame.draw.circle(screen, "red", rpm_pos, gauge_radius)
-    rpm_tip = rpm_pos + offset_vector
-    pygame.draw.line(screen, needle_color, rpm_pos, rpm_tip, needle_width)
-    pygame.draw.circle(screen, needle_color, rpm_tip, tip_radius)
+    rpm_text = font.render(f"RPM: {int(e.rpm)}", True, (0, 0, 0))
+    rpm_rect = rpm_text.get_rect(center=(screen.get_width() // 2, screen.get_height() // 4))
+    screen.blit(rpm_text, rpm_rect)
 
-    # Trans Speed
-    # Min = 0 at 45 degrees
-    # Max = 160 at 315 degrees
+    rpm_text = font.render(f"Torque: {int(e.instant_torque)}", True, (0, 0, 0))
+    rpm_rect = rpm_text.get_rect(center=(screen.get_width() // 2, screen.get_height() // 4 +100))
+    screen.blit(rpm_text, rpm_rect)
+
+    rpm_angle = map_value_to_angle(e.rpm, 0, 8000)
+
+    # RPM Gauge
+    speed_angle = map_value_to_angle(e.wheel_speed, 0, 160)
+    rpm_vector = pygame.Vector2(math.cos(rpm_angle), math.sin(rpm_angle)) * gauge_radius
+    pygame.draw.circle(screen, "black", rpm_pos, gauge_radius)
+    pygame.draw.line(screen, needle_color, rpm_pos, rpm_pos + rpm_vector, needle_width)
+
+
+    # Trans Gauge
+
+    speed_vector = pygame.Vector2(math.cos(speed_angle), math.sin(speed_angle)) * gauge_radius
     pygame.draw.circle(screen, "red", spd_pos, gauge_radius)
     spd_tip = spd_pos + offset_vector
     pygame.draw.line(screen, needle_color, spd_pos, spd_tip, needle_width)
@@ -61,13 +88,20 @@ while running:
 
     keys = pygame.key.get_pressed()
     if keys[pygame.K_w]:
-        player_pos.y -= 300 * dt
+        e.rpm += 600 * dt
     if keys[pygame.K_s]:
-        player_pos.y += 300 * dt
+        e.rpm -= 600 * dt
     if keys[pygame.K_a]:
         player_pos.x -= 300 * dt
     if keys[pygame.K_d]:
         player_pos.x += 300 * dt
+    if keys[pygame.K_r]:
+        e.rpm = e.idle_rpm
+
+    # Throttle (Using mouse pos)
+    throttle = 1 - (mY / screen.get_height())
+    #print(throttle)
+
 
     # flip() the display to put your work on screen
     pygame.display.flip()
@@ -76,5 +110,6 @@ while running:
     # dt is delta time in seconds since last frame, used for framerate-
     # independent physics.
     dt = clock.tick(60) / 1000
+    e.update(throttle, 0, dt)
 
 pygame.quit()