Ejemplo n.º 1
0
        protected override void Update(GameTime gameTime)
        {
            // Allows the game to exit
            if ((keyboardStateCurrent.IsKeyUp(Keys.Escape) && keyboardStatePrevious.IsKeyDown(Keys.Escape)) || GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
            {
                this.Exit();
            }

            // Update keyboard state
            keyboardStatePrevious = keyboardStateCurrent;
            keyboardStateCurrent  = Keyboard.GetState();

            // Update mouse state
            mouseStatePrevious = mouseStateCurrent;
            mouseStateCurrent  = Mouse.GetState();

            player.Update(gameTime, keyboardStateCurrent, keyboardStatePrevious, mouseStateCurrent, mouseStatePrevious, agentAIList, windowWidth, windowHeight);

            // Create new agent on mouse click
            if (mouseStateCurrent.LeftButton == ButtonState.Pressed && mouseStatePrevious.LeftButton != ButtonState.Pressed)
            {
                // Create a new agent at mouse location
                GameAgent agent = new GameAgent();
                agent.LoadContent(this.Content, "Images\\agent");
                agent.Position = new Vector2(mouseStateCurrent.X, mouseStateCurrent.Y);
                agent.Rotation = 0.0f;
                agentAIList.Add(agent);
                agent.Type = (int)Enums.AgentType.NPC;
            }

            base.Update(gameTime);
        }
Ejemplo n.º 2
0
        private bool IsInAgentSensorRange(GameAgent agent, Vector2 playerPos, Vector2 endPoint1, Vector2 endPoint2)
        {
            Rectangle agentBounds = agent.Bounds;

            // getting the 4 points of the agent
            Vector2 bottomLeft  = new Vector2(agentBounds.Left, agentBounds.Top);
            Vector2 bottomRight = new Vector2(agentBounds.Left + agentBounds.Width, agentBounds.Top);
            Vector2 topLeft     = new Vector2(agentBounds.Left, agentBounds.Top + agentBounds.Height);
            Vector2 topRight    = new Vector2(bottomRight.X, topLeft.Y);

            return
                (IsPointInTriangle(bottomLeft, playerPos, endPoint1, endPoint2) ||
                 IsPointInTriangle(bottomRight, playerPos, endPoint1, endPoint2) ||
                 IsPointInTriangle(topLeft, playerPos, endPoint1, endPoint2) ||
                 IsPointInTriangle(topRight, playerPos, endPoint1, endPoint2));
        }
Ejemplo n.º 3
0
        private bool CheckIntersection(GameAgent agent, bool isVerticalLine, float slope, float offset, Vector2 rfStartPoint, Vector2 rfEndPoint)
        {
            // NOTE: drawing lines backwards so that higher values are always on the top and right
            // making it easier for calculation.
            Rectangle agentBounds = agent.Bounds;

            Vector2 bottomLeft  = new Vector2(agentBounds.Left, agentBounds.Top);
            Vector2 bottomRight = new Vector2(agentBounds.Left + agentBounds.Width, agentBounds.Top);
            Vector2 topLeft     = new Vector2(agentBounds.Left, agentBounds.Top + agentBounds.Height);
            Vector2 topRight    = new Vector2(bottomRight.X, topLeft.Y);

            return
                (IsLineIntersection(topLeft, topRight, isVerticalLine, slope, offset, rfStartPoint, rfEndPoint) ||
                 IsLineIntersection(bottomLeft, bottomRight, isVerticalLine, slope, offset, rfStartPoint, rfEndPoint) ||
                 IsLineIntersection(bottomLeft, topLeft, isVerticalLine, slope, offset, rfStartPoint, rfEndPoint) ||
                 IsLineIntersection(bottomRight, topRight, isVerticalLine, slope, offset, rfStartPoint, rfEndPoint));
        }