本文整理汇总了Java中org.andengine.opengl.util.VertexUtils类的典型用法代码示例。如果您正苦于以下问题：Java VertexUtils类的具体用法？Java VertexUtils怎么用？Java VertexUtils使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
VertexUtils类属于org.andengine.opengl.util包，在下文中一共展示了VertexUtils类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: checkCollision
import org.andengine.opengl.util.VertexUtils; //导入依赖的package包/类
/**
* @param pVerticesA
* @param pVertexCountA the number of vertices in pVerticesA
* @param pVertexOffsetXA
* @param pVertexOffsetYA
* @param pVertexStrideA
* @param pVerticesB
* @param pVertexCountB the number of vertices in pVerticesB
* @param pVertexOffsetXB
* @param pVertexOffsetYB
* @param pVertexStrideB
* @return
*/
public static boolean checkCollision(final float[] pVerticesA, final int pVertexCountA, final int pVertexOffsetXA, final int pVertexOffsetYA, final int pVertexStrideA, final float[] pVerticesB, final int pVertexCountB, final int pVertexOffsetXB, final int pVertexOffsetYB, final int pVertexStrideB) {
/* Check all the lines of A ... */
for (int a = pVertexCountA - 2; a >= 0; a--) {
/* ... against all lines in B. */
if (BaseCollisionChecker.checkCollisionSub(pVerticesA, pVertexOffsetXA, pVertexOffsetYA, pVertexStrideA, a, a + 1, pVerticesB, pVertexCountB, pVertexOffsetXB, pVertexOffsetYB, pVertexStrideB)) {
return true;
}
}
/* Also check the 'around the corner of the array' line of A against all lines in B. */
if (BaseCollisionChecker.checkCollisionSub(pVerticesA, pVertexOffsetXA, pVertexOffsetYA, pVertexStrideA, pVertexCountA - 1, 0, pVerticesB, pVertexCountB, pVertexOffsetXB, pVertexOffsetYB, pVertexStrideB)) {
return true;
} else {
/* At last check if one polygon 'contains' the other one by checking
* if one vertex of the one vertices is contained by all of the other vertices. */
if (BaseCollisionChecker.checkContains(pVerticesA, pVertexCountA, VertexUtils.getVertex(pVerticesB, pVertexOffsetXB, pVertexStrideB, 0), VertexUtils.getVertex(pVerticesB, pVertexOffsetYB, pVertexStrideB, 0))) {
return true;
} else if (BaseCollisionChecker.checkContains(pVerticesB, pVertexCountB, VertexUtils.getVertex(pVerticesA, pVertexOffsetXA, pVertexStrideA, 0), VertexUtils.getVertex(pVerticesA, pVertexOffsetYA, pVertexStrideA, 0))) {
return true;
} else {
return false;
}
}
}
示例2: checkContains
import org.andengine.opengl.util.VertexUtils; //导入依赖的package包/类
/**
* Works with complex polygons!
*
* @see <a href="http://alienryderflex.com/polygon/">alienryderflex.com/polygon/</a>
*
* @param pVertices
* @param pVertexCount the number of vertices in pVertices
* @param pVertexOffsetX
* @param pVertexOffsetY
* @param pVertexStride
* @param pX
* @param pY
* @return <code>true</code> when the point defined by <code>(pX, pY)</code> is inside the polygon defined by <code>pVertices</code>, <code>false</code>. If the point is exactly on the edge of the polygon, the result can be <code>true</code> or <code>false</code>.
*/
public static boolean checkContains(final float[] pVertices, final int pVertexCount, final int pVertexOffsetX, final int pVertexOffsetY, final int pVertexStride, final float pX, final float pY) {
boolean odd = false;
int j = pVertexCount - 1;
for (int i = 0; i < pVertexCount; i++) {
final float vertexXI = VertexUtils.getVertex(pVertices, pVertexOffsetX, pVertexStride, i);
final float vertexYI = VertexUtils.getVertex(pVertices, pVertexOffsetY, pVertexStride, i);
final float vertexXJ = VertexUtils.getVertex(pVertices, pVertexOffsetX, pVertexStride, j);
final float vertexYJ = VertexUtils.getVertex(pVertices, pVertexOffsetY, pVertexStride, j);
if ((((vertexYI < pY) && (vertexYJ >= pY)) || ((vertexYJ < pY) && (vertexYI >= pY))) && ((vertexXI <= pX) || (vertexXJ <= pX))) {
odd ^= ((vertexXI + (((pY - vertexYI) / (vertexYJ - vertexYI)) * (vertexXJ - vertexXI))) < pX);
}
j = i;
}
return odd;
}
示例3: checkCollision
import org.andengine.opengl.util.VertexUtils; //导入依赖的package包/类
/**
* @param pVerticesA
* @param pVertexCountA the number of vertices in pVerticesA
* @param pVertexOffsetXA
* @param pVertexOffsetYA
* @param pVertexStrideA
* @param pVerticesB
* @param pVertexCountB the number of vertices in pVerticesB
* @param pVertexOffsetXB
* @param pVertexOffsetYB
* @param pVertexStrideB
* @return
*/
public static boolean checkCollision(final float[] pVerticesA, final int pVertexCountA, final int pVertexOffsetXA, final int pVertexOffsetYA, final int pVertexStrideA, final float[] pVerticesB, final int pVertexCountB, final int pVertexOffsetXB, final int pVertexOffsetYB, final int pVertexStrideB) {
/* Check all the lines of A ... */
for(int a = pVertexCountA - 2; a >= 0; a--) {
/* ... against all lines in B. */
if(ShapeCollisionChecker.checkCollisionSub(pVerticesA, pVertexOffsetXA, pVertexOffsetYA, pVertexStrideA, a, a + 1, pVerticesB, pVertexCountB, pVertexOffsetXB, pVertexOffsetYB, pVertexStrideB)){
return true;
}
}
/* Also check the 'around the corner of the array' line of A against all lines in B. */
if(ShapeCollisionChecker.checkCollisionSub(pVerticesA, pVertexOffsetXA, pVertexOffsetYA, pVertexStrideA, pVertexCountA - 1, 0, pVerticesB, pVertexCountB, pVertexOffsetXB, pVertexOffsetYB, pVertexStrideB)){
return true;
} else {
/* At last check if one polygon 'contains' the other one by checking
* if one vertex of the one vertices is contained by all of the other vertices. */
if(ShapeCollisionChecker.checkContains(pVerticesA, pVertexCountA, VertexUtils.getVertex(pVerticesB, pVertexOffsetXB, pVertexStrideB, 0), VertexUtils.getVertex(pVerticesB, pVertexOffsetYB, pVertexStrideB, 0))) {
return true;
} else if(ShapeCollisionChecker.checkContains(pVerticesB, pVertexCountB, VertexUtils.getVertex(pVerticesA, pVertexOffsetXA, pVertexStrideA, 0), VertexUtils.getVertex(pVerticesA, pVertexOffsetYA, pVertexStrideA, 0))) {
return true;
} else {
return false;
}
}
}
示例4: checkContains
import org.andengine.opengl.util.VertexUtils; //导入依赖的package包/类
/**
* Works with complex polygons!
*
* @see http://alienryderflex.com/polygon/
*
* @param pVertices
* @param pVertexCount the number of vertices in pVertices
* @param pVertexOffsetX
* @param pVertexOffsetY
* @param pVertexStride
* @param pX
* @param pY
* @return <code>true</code> when the point defined by <code>(pX, pY)</code> is inside the polygon defined by <code>pVertices</code>, <code>false</code>. If the point is exactly on the edge of the polygon, the result can be <code>true</code> or <code>false</code>.
*/
public static boolean checkContains(final float[] pVertices, final int pVertexCount, final int pVertexOffsetX, final int pVertexOffsetY, final int pVertexStride, final float pX, final float pY) {
boolean odd = false;
int j = pVertexCount - 1;
for(int i = 0; i < pVertexCount; i++) {
final float vertexXI = VertexUtils.getVertex(pVertices, pVertexOffsetX, pVertexStride, i);
final float vertexYI = VertexUtils.getVertex(pVertices, pVertexOffsetY, pVertexStride, i);
final float vertexXJ = VertexUtils.getVertex(pVertices, pVertexOffsetX, pVertexStride, j);
final float vertexYJ = VertexUtils.getVertex(pVertices, pVertexOffsetY, pVertexStride, j);
if((((vertexYI < pY) && (vertexYJ >= pY)) || ((vertexYJ < pY) && (vertexYI >= pY))) && ((vertexXI <= pX) || (vertexXJ <= pX))) {
odd ^= ((vertexXI + (((pY - vertexYI) / (vertexYJ - vertexYI)) * (vertexXJ - vertexXI))) < pX);
}
j = i;
}
return odd;
}