Create script.zs

examples/Platformer/script.zs

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+int g_screenw = 900
+int g_screenh = 600
+
+float g_playerMoveSpeed = 400
+float g_jumpHeight = 20
+
+bool g_running = false
+
+func Main()
+{
+	// Immediately creates the window, then Start(), then the game loop. The game loop calls Update() every frame
+	ZS.Graphics.Init("Platformer game", g_screenw, g_screenh)
+}
+
+func Start()
+{
+	float centerX = g_screenw / 2
+	float centerY = g_screenh / 2
+	global Vec2 g_screencenter = NVec2(centerX, centerY)
+	
+	Vec2 playerPos = NVec2(0, 0)
+	Vec2 playerScale = NVec2(16, 16)
+	global Sprite g_playerSprite = ZS.Graphics.Sprite("./square.png", playerPos, playerScale, 0)
+	
+	Vec2 groundPos = NVec2(0, -17)
+	Vec2 groundScale = NVec2(256, 16)
+	global Sprite g_groundSprite = ZS.Graphics.Sprite("./square.png", groundPos, groundScale, 0)
+	
+	Vec2 instructionsPos = NVec2(centerOfScreen.x, g_screenh - 60)
+	global Text g_instructionsText = ZS.Graphics.Text("Use Arrow Keys or WASD to Move, and Spacebar to Jump", "./arial.ttf", instructionsPos, 20, 0, 255, 255, 255)
+	
+	global Vec2 g_playerTargetPosition = playerPos
+}
+
+func Update(deltaTime)
+{
+	float fps = 1 / deltaTime
+	print "FPS: " + fps
+	
+	// Test automatic conversion from bool to int
+	int c = 0 + GetKey("A")
+	print "Test: " + 0 + c
+
+	// Move Left And Right
+	//
+	if GetKey("A") == true
+	{
+		float newY = g_playerSprite.position.y
+		
+		float newX = g_playerTargetPosition.x - g_playerMoveSpeed * deltaTime
+		g_playerTargetPosition = NVec2(newX, newY)
+	}
+	if GetKey("D") == true
+	{
+		float newY = g_playerSprite.position.y
+		
+		float newX = g_playerTargetPosition.x + g_playerMoveSpeed * deltaTime
+		g_playerTargetPosition = NVec2(newX, newY)
+	}
+	// Lerps from old position to destination smoothly
+	float oldX = g_playerSprite.position.x
+	float newX = g_playerTargetPosition.x
+	float stopSpeed = deltaTime * lerpSpeed
+	float lerpedX = Lerp(oldX, newX, stopSpeed)
+	g_playerSprite.position = NVec2(lerpedX, newY)
+	
+	
+	// Finally draws all of the sprites
+	ZS.Graphics.Draw(playerSprite)
+	ZS.Graphics.Draw(groundSprite)
+	
+	ZS.Graphics.DrawText(instructionsText)
+	
+	HandleBallBounce()
+}
+
+func Colliding(a, b)
+{
+	bool b = ZS.Physics.AxisAlignedCollision(a, b)
+	return b
+}