C++ (Cpp) matrix4_ensurefields示例

示例#1

文件： mathtypes.cpp 项目： 0302zq/libgdx

void Matrix4_to_btTransform(JNIEnv * const &jenv, btTransform &target, jobject &source)
{
	matrix4_ensurefields(jenv, source);
	
	jfloatArray valArray = (jfloatArray) jenv->GetObjectField(source, matrix4_val);
	jfloat * elements = jenv->GetFloatArrayElements(valArray, NULL);
	
	target.setFromOpenGLMatrix(elements);
	
	jenv->ReleaseFloatArrayElements(valArray, elements, JNI_ABORT);
	jenv->DeleteLocalRef(valArray);
}

示例#2

文件： mathtypes.cpp 项目： 0302zq/libgdx

void btTransform_to_Matrix4(JNIEnv * const &jenv, jobject &target, const btTransform &source)
{
	matrix4_ensurefields(jenv, target);
	
	jfloatArray valArray = (jfloatArray) jenv->GetObjectField(target, matrix4_val);
	jfloat * elements = jenv->GetFloatArrayElements(valArray, NULL);

	source.getOpenGLMatrix(elements);
	
	jenv->ReleaseFloatArrayElements(valArray, elements, 0);
	jenv->DeleteLocalRef(valArray);
}

示例#3

文件： mathtypes.cpp 项目： 03050903/libgdx

void btTransform_to_Matrix4(JNIEnv * const &jenv, jobject &target, const btTransform &source)
{
	matrix4_ensurefields(jenv, target);
	
	jfloatArray valArray = (jfloatArray) jenv->GetObjectField(target, matrix4_val);
	jfloat * elements = jenv->GetFloatArrayElements(valArray, NULL);

    ATTRIBUTE_ALIGNED16(btScalar dst[16]);
	source.getOpenGLMatrix(dst);
    
    memcpy(elements, dst, sizeof(btScalar)*16);
	
	jenv->ReleaseFloatArrayElements(valArray, elements, 0);
	jenv->DeleteLocalRef(valArray);
}