45 lines
1.3 KiB
C#
45 lines
1.3 KiB
C#
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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namespace SemiColinGames {
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class NPC {
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private Point position;
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private const int spriteWidth = 96;
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private const int spriteHeight = 81;
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private const int spriteCenterYOffset = 3;
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public NPC(Point position) {
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this.position = position;
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}
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public int Facing { get; private set; } = 1;
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public void Update(float modelTime) {
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if (Facing == 1 && position.X > 16 * 39) {
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Facing = -1;
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}
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if (Facing == -1 && position.X < 16 * 24) {
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Facing = 1;
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}
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position.X += (int) (120 * Facing * modelTime);
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}
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private int SpriteIndex() {
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int frameNum = (int) Clock.ModelTime.TotalMilliseconds / 125 % 4;
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return 35 + frameNum;
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}
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public void Draw(SpriteBatch spriteBatch) {
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int index = SpriteIndex();
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Rectangle textureSource = new Rectangle(index * spriteWidth, 0, spriteWidth, spriteHeight);
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Vector2 spriteCenter = new Vector2(spriteWidth / 2, spriteHeight / 2 + spriteCenterYOffset);
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SpriteEffects effect = Facing == 1 ?
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SpriteEffects.None : SpriteEffects.FlipHorizontally;
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Color color = Color.White;
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spriteBatch.Draw(Textures.Executioner.Get, position.ToVector2(), textureSource, color, 0f,
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spriteCenter, Vector2.One, effect, 0f);
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}
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}
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}
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