private void DrawVines(SpriteCompositionHelper helper, int frame, float cycleAngle)
{
float sinAngle = (float)Math.Sin(cycleAngle);
Vector2 leftVine = new Vector2(-48, 78) + Vector2.One * 4 * sinAngle;
Vector2 rightVine = new Vector2(64, 74) + new Vector2(1, -1) * -2 * sinAngle;
// left vine
helper.AddSpriteToBatch(vinesTexture, (0, 2), leftVine);
helper.AddSpriteToBatch(vinesTexture, (1, 2), rightVine);
}
private void DrawFoliage(SpriteCompositionHelper helper, int frame, float cycleAngle)
{
float sinAngle = (float)Math.Sin(cycleAngle);
Vector2 leftLeaf = new Vector2(-66, -66) + Vector2.One * 2 * sinAngle;
Vector2 middleLeaf = new Vector2(0, -100) + Vector2.UnitY * -3 * sinAngle;
Vector2 rightLeaf = new Vector2(56, -64) + Vector2.One * -2 * sinAngle;
// left leaf
helper.AddSpriteToBatch(foliageTexture, (1, 3), leftLeaf);
// middle leaf
helper.AddSpriteToBatch(foliageTexture, (2, 3), middleLeaf);
// right leaf
helper.AddSpriteToBatch(foliageTexture, (0, 3), rightLeaf);
}
internal override void Draw(SpriteCompositionHelper helper, int frame, float cycleAngle)
{
if (animationFrame < spawnFrames)
{
return;
}
for (int i = 0; i < clutterFrames.Length; i++)
{
// TODO figure this out programatically
int maxHeight = 30;
int yOffset = Math.Min(maxHeight, 2 * (animationFrame - spawnFrames - 4 * i));
if (yOffset < 0 || clutterFrames[i] == -1)
{
continue;
}
Vector2 offset = new Vector2(-24 + 16 * i, -yOffset);
int idx = clutterFrames[i];
Rectangle bounds = new Rectangle((clutterWidth + 2) * idx, 0, clutterWidth, clutterHeight);
helper.AddSpriteToBatch(clutterTexture, bounds, offset, 0, 1);
}
}
private void DrawBody(SpriteCompositionHelper helper, int frame, float cycleAngle)
{
// body
helper.AddSpriteToBatch(bodyTexture, (projectile.frame, 5), Vector2.Zero);
}
