“LlCastRay”的版本间的差异
| （未显示同一用户的3个中间版本） | |||
| 第3行： | 第3行： | ||
{{函数详情 | {{函数详情 | ||
|函数名 = Function:list llCastRay(vector start,vector end,list options ); | |函数名 = Function:list llCastRay(vector start,vector end,list options ); | ||
| − | |参数 = | + | |参数 = 参数：向量起始位置; 向量结束位置; 列表选项-可以包含任意数量的选项标志及其参数。 |
| − | |返回值 = | + | |返回值 = 返回值：返回一个带条纹的值列表，其末尾附加一个整数状态码。 |
| − | |注意事项= | + | |注意事项=根据标志的值(通过 rc 数据标志提供) ，strides 中的值的数量和类型将随之变化，详情请参阅 rc 数据标志。 Llgetrot 不会返回阿凡达的精确视觉旋转，因为观看者不会更新阿凡达的旋转在阈值之下(见 vwr-1331)。 想要得到阿凡达在 mouselook 的精确视角，用 llgetcamerarot 代替。 光谱检测不会检测到没有物理形状的原始物质(原始物理形状类型原始物理形状)。 如果线路从 prim 内部开始，lcastray 不会检测到 prim，这使得使用 prim 位置作为起始位置是安全的。 如果起始位置在 prim 之外，lcastray 可以检测到脚本所在的 prim。 |
| − | |||
| 第15行： | 第14行： | ||
示例1 | 示例1 | ||
<pre> | <pre> | ||
| − | integer filter;//default is | + | integer filter;// default is 0 |
| − | + | ||
default | default | ||
{ | { | ||
| − | + | state_entry() | |
{ | { | ||
| − | + | string ownerName = llKey2Name(llGetOwner()); | |
| − | + | llOwnerSay("Hello, " + ownerName + "!"); | |
} | } | ||
| + | |||
touch_start(integer total_number) | touch_start(integer total_number) | ||
{ | { | ||
| − | + | vector start = llGetPos(); | |
| − | + | vector end = start - <0.0, -25.0, 0.0>; | |
| − | + | ||
| − | + | if ( filter > 8 ) | |
| − | + | filter = 0; | |
| − | + | ||
| − | + | llOwnerSay("Filter " + (string)filter); | |
| − | + | ||
| − | + | list results = llCastRay(start, end, [RC_REJECT_TYPES, filter, RC_MAX_HITS, 4] ); | |
| − | + | ||
| − | + | integer hitNum = 0; | |
| − | + | // Handle error conditions here by checking llList2Integer(results, -1) >= 0 | |
| − | + | while (hitNum < llList2Integer(results, -1)) | |
| − | + | { | |
| − | + | // Stride is 2 because we didn't request normals or link numbers | |
| − | + | key uuid = llList2Key(results, 2*hitNum); | |
| − | + | ||
| − | + | string name = "Land"; // if (uuid == NULL_KEY) | |
| − | + | ||
| − | + | if (uuid != NULL_KEY) | |
| − | + | name = llKey2Name(uuid); | |
| − | + | ||
| − | + | llOwnerSay("Hit " + name + "."); | |
| − | + | ||
| − | + | ++hitNum; | |
| − | + | } | |
| + | |||
| + | ++filter; | ||
} | } | ||
| − | + | } | |
</pre> | </pre> | ||
| 第59行： | 第61行： | ||
示例2 | 示例2 | ||
<pre> | <pre> | ||
| − | //Fire a weapon at a target,report a hit | + | // Fire a weapon at a target, report a hit |
| − | + | ||
integer gTargetChan = -9934917; | integer gTargetChan = -9934917; | ||
| − | + | ||
default | default | ||
{ | { | ||
| − | + | attach(key id) | |
| − | + | { | |
| − | + | if (id != NULL_KEY) | |
| − | + | { | |
| − | + | llRequestPermissions(id,PERMISSION_TAKE_CONTROLS|PERMISSION_TRACK_CAMERA); | |
| − | + | } | |
| − | + | } | |
| − | run_time_permissions(integer perm) | + | |
| − | + | run_time_permissions (integer perm) | |
| − | + | { | |
| − | + | if (perm & PERMISSION_TAKE_CONTROLS|PERMISSION_TRACK_CAMERA) | |
| − | + | { | |
| − | + | llTakeControls(CONTROL_LBUTTON|CONTROL_ML_LBUTTON,TRUE,FALSE); | |
| − | + | } | |
| + | } | ||
| − | + | control (key id, integer level, integer edge) | |
| − | + | { | |
| − | + | // User must be in mouselook to aim the weapon | |
| − | + | if (level & edge & CONTROL_LBUTTON) | |
| − | + | { | |
| − | + | llSay(0,"You must be in Mouselook to shoot. Type \"CTRL + M\" or type \"Esc\" and scroll your mouse wheel forward to enter Mouselook."); | |
| − | + | } | |
| − | + | // User IS in mouselook | |
| − | + | if (level & edge & CONTROL_ML_LBUTTON) | |
| − | + | { | |
| − | + | vector start = llGetCameraPos(); | |
| − | + | // Detect only a non-physical, non-phantom object. Report its root prim's UUID. | |
| − | + | list results = llCastRay(start, start+<60.0,0.0,0.0>*llGetCameraRot(),[RC_REJECT_TYPES,RC_REJECT_PHYSICAL|RC_REJECT_AGENTS|RC_REJECT_LAND,RC_DETECT_PHANTOM,FALSE,RC_DATA_FLAGS,RC_GET_ROOT_KEY,RC_MAX_HITS,1]); | |
| − | + | llTriggerSound(llGetInventoryName(INVENTORY_SOUND,0),1.0); | |
| − | + | llSleep(0.03); | |
| − | + | key target = llList2Key(results,0); | |
| − | + | // Tell target that it has been hit. | |
| − | + | llRegionSayTo(target,gTargetChan,"HIT"); | |
| − | + | // Target, scripted to listen on gTargetChan, can explode, change color, fall over ..... | |
| − | + | } | |
| − | + | } | |
} | } | ||
| − | + | </pre> | |
|相关函数=无 | |相关函数=无 | ||
2020年4月19日 (日) 14:14的最新版本
| 首页 | 函数 | 事件 | 类型 | 操作符 | 常数 | Flow Control | Script Library | Categorized Library | Tutorials |
| 函数名 |
|---|
| Function:list llCastRay(vector start,vector end,list options ); |
| 参数：向量起始位置; 向量结束位置; 列表选项-可以包含任意数量的选项标志及其参数。 |
| 返回值：返回一个带条纹的值列表，其末尾附加一个整数状态码。 |
| 注意事项 |
|---|
| 根据标志的值(通过 rc 数据标志提供) ，strides 中的值的数量和类型将随之变化，详情请参阅 rc 数据标志。 Llgetrot 不会返回阿凡达的精确视觉旋转，因为观看者不会更新阿凡达的旋转在阈值之下(见 vwr-1331)。 想要得到阿凡达在 mouselook 的精确视角，用 llgetcamerarot 代替。 光谱检测不会检测到没有物理形状的原始物质(原始物理形状类型原始物理形状)。 如果线路从 prim 内部开始，lcastray 不会检测到 prim，这使得使用 prim 位置作为起始位置是安全的。 如果起始位置在 prim 之外，lcastray 可以检测到脚本所在的 prim。 |
| 示例 |
|---|
示例1
integer filter;// default is 0
default
{
state_entry()
{
string ownerName = llKey2Name(llGetOwner());
llOwnerSay("Hello, " + ownerName + "!");
}
touch_start(integer total_number)
{
vector start = llGetPos();
vector end = start - <0.0, -25.0, 0.0>;
if ( filter > 8 )
filter = 0;
llOwnerSay("Filter " + (string)filter);
list results = llCastRay(start, end, [RC_REJECT_TYPES, filter, RC_MAX_HITS, 4] );
integer hitNum = 0;
// Handle error conditions here by checking llList2Integer(results, -1) >= 0
while (hitNum < llList2Integer(results, -1))
{
// Stride is 2 because we didn't request normals or link numbers
key uuid = llList2Key(results, 2*hitNum);
string name = "Land"; // if (uuid == NULL_KEY)
if (uuid != NULL_KEY)
name = llKey2Name(uuid);
llOwnerSay("Hit " + name + ".");
++hitNum;
}
++filter;
}
}
示例2 // Fire a weapon at a target, report a hit
integer gTargetChan = -9934917;
default
{
attach(key id)
{
if (id != NULL_KEY)
{
llRequestPermissions(id,PERMISSION_TAKE_CONTROLS|PERMISSION_TRACK_CAMERA);
}
}
run_time_permissions (integer perm)
{
if (perm & PERMISSION_TAKE_CONTROLS|PERMISSION_TRACK_CAMERA)
{
llTakeControls(CONTROL_LBUTTON|CONTROL_ML_LBUTTON,TRUE,FALSE);
}
}
control (key id, integer level, integer edge)
{
// User must be in mouselook to aim the weapon
if (level & edge & CONTROL_LBUTTON)
{
llSay(0,"You must be in Mouselook to shoot. Type \"CTRL + M\" or type \"Esc\" and scroll your mouse wheel forward to enter Mouselook.");
}
// User IS in mouselook
if (level & edge & CONTROL_ML_LBUTTON)
{
vector start = llGetCameraPos();
// Detect only a non-physical, non-phantom object. Report its root prim's UUID.
list results = llCastRay(start, start+<60.0,0.0,0.0>*llGetCameraRot(),[RC_REJECT_TYPES,RC_REJECT_PHYSICAL|RC_REJECT_AGENTS|RC_REJECT_LAND,RC_DETECT_PHANTOM,FALSE,RC_DATA_FLAGS,RC_GET_ROOT_KEY,RC_MAX_HITS,1]);
llTriggerSound(llGetInventoryName(INVENTORY_SOUND,0),1.0);
llSleep(0.03);
key target = llList2Key(results,0);
// Tell target that it has been hit.
llRegionSayTo(target,gTargetChan,"HIT");
// Target, scripted to listen on gTargetChan, can explode, change color, fall over .....
}
}
}
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| 相关函数 |
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| 无 |
| 相关事件 |
|---|
| 无 |
