Java Vector2f.set方法代码示例

import org.joml.Vector2f; //导入方法依赖的package包/类
public static Vector2f getNormalizedAnchorOffset(Direction anchor, Vector2f dst)
{
	switch (anchor)
	{
		case EAST:
			return dst.set(1, 0.5F);
		case NORTHEAST:
			return dst.set(1, 0);
		case NORTH:
			return dst.set(0.5F, 0);
		case NORTHWEST:
			return dst.set(0, 0);
		case WEST:
			return dst.set(0, 0.5F);
		case SOUTHWEST:
			return dst.set(0, 1);
		case SOUTH:
			return dst.set(0.5F, 1);
		case SOUTHEAST:
			return dst.set(1, 1);
		case CENTER:
			return dst.set(0.5F, 0.5F);
	}

	return dst.set(0, 0);
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
public Vector2f getPoint2DFromScreen(float screenX, float screenY, Vector2f dst)
{
	Matrix4fc invertedViewProjection = this.getInvertedViewProjectionMatrix(MAT4);
	Vector2fc screen = this.getScreenOffset(screenX, screenY, VEC2);

	Vector3f near = unproject(invertedViewProjection, this.viewport, screen.x(), screen.y(), 0, VEC3A);
	Vector3f far = unproject(invertedViewProjection, this.viewport, screen.x(), screen.y(), 1, VEC3B);

	float f = (0 - near.z) / (far.z - near.z);
	screenX = (near.x + f * (far.x - near.x));
	screenY = (near.y + f * (far.y - near.y));
	return dst.set(screenX, screenY);
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
@Override
public Vector2f getUV(Vector2f dst)
{
	SubTexture subtexture = this.atlas.get().getSubTexture(this.atlasIndex);
	dst.set(subtexture.getU(), subtexture.getV());
	return dst;
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
@Override
public Vector2f getSize(Vector2f dst)
{
	SubTexture subtexture = this.atlas.get().getSubTexture(this.atlasIndex);
	dst.set(subtexture.getWidth(), subtexture.getHeight());
	return dst;
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
@Override
public Vector2f getRow(int row, Vector2f dest) throws IndexOutOfBoundsException
{
	switch(row)
	{
		case 0:
			return dest.set(m00, m01);
		case 1:
			return dest.set(m10, m11);
		default:
			throw new IndexOutOfBoundsException();
	}
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
@Override
public Vector2f getColumn(int column, Vector2f dest) throws IndexOutOfBoundsException
{
	switch (column)
	{
		case 0:
			return dest.set(m00, m10);
		case 1:
			return dest.set(m01, m11);
		default:
			throw new IndexOutOfBoundsException();
	}
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
/**Gets the polar {@link Vector2f} representation of direction*/
public Vector2f polarf(Vector2f dst)
{
	double dist = 1D;
	double rad = this.radians();
	return dst.set((float)(dist * Math.cos(rad)), (float)(dist * Math.sin(rad)));
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
public static Vector2f cross(Vector2fc a, float b, Vector2f dst)
{
	return dst.set(a.y() * b, a.x() * -b);
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
@Override
default Vector2f getUp(Vector2f dst)
{
	float rad = this.radians();
	return dst.set((float) Math.cos(rad), (float) Math.sin(rad));
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
@Override
default Vector2f getRight(Vector2f dst)
{
	float rad = this.radians() + HALF_PI;
	return dst.set((float) Math.cos(rad), (float) Math.sin(rad));
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
protected Vector2f getScreenOffset(float screenX, float screenY, Vector2f dst)
{
	final float w = this.viewport.getWidth();
	final float h = this.viewport.getHeight();
	final float w2 = w / 2F;
	final float h2 = h / 2F;

	switch (this.centerPoint)
	{
		case EAST:
			screenX += -w2;
			screenY += 0;
			break;
		case NORTHEAST:
			screenX += -w2;
			screenY += h2;
			break;
		case NORTH:
			screenX += 0;
			screenY += h2;
			break;
		case NORTHWEST:
			screenX += w2;
			screenY += h2;
			break;
		case WEST:
			screenX += w2;
			screenY += 0;
			break;
		case SOUTHWEST:
			screenX += w2;
			screenY += -h2;
			break;
		case SOUTH:
			screenX += 0;
			screenY += -h2;
			break;
		case SOUTHEAST:
			screenX += -w2;
			screenY += -h2;
			break;
		case CENTER:
		default:
			break;
	}

	if (!this.leftToRight) screenX = w - screenX;
	if (!this.topToBottom) screenY = h - screenY;

	return dst.set(screenX, screenY);
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
@Override
public Vector2f getUV(Vector2f dst)
{
	return dst.set(0, 0);
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
public static Vector2f getWorldPos(ViewPort view, double x, double y, Vector2f dst)
{
	return dst.set((float) ((x - view.x) / view.unitScale),
			(float) ((y - view.y) / view.unitScale));
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
@Override
public Vector2f transform(Vector2f v)
{
	return v.set(m00 * v.x + m01 * v.y, m10 * v.x + m11 * v.y);
}
 

import org.joml.Vector2f; //导入方法依赖的package包/类
public final Vector2f getChunkPos(Vector2f dst)
{
	return dst.set(this.chunkX * this.chunkSize,
			this.chunkY * this.chunkSize);
}