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add mat4.scale mutating overload

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MihailRis 2024-06-17 10:56:31 +03:00
parent c7a843bc63
commit 8f046b86b9
2 changed files with 19 additions and 0 deletions
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7
src/logic/scripting/lua/libmat4.cpp
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@ -7,6 +7,8 @@ static int l_idt(lua::State* L) {
return lua::pushmat4(L, glm::mat4(1.0f));
}
/// @brief mat4.scale(matrix=idt: array[16], scale: array[3]) -> array[16]
/// Modifies matrix
static int l_scale(lua::State* L) {
uint argc = lua::gettop(L);
switch (argc) {
@ -19,6 +21,11 @@ static int l_scale(lua::State* L) {
auto scale = lua::tovec3(L, 2);
return lua::pushmat4(L, glm::scale(matrix, scale));
}
case 3: {
auto matrix = lua::tomat4(L, 1);
auto scale = lua::tovec3(L, 2);
return lua::setmat4(L, 3, glm::scale(matrix, scale));
}
default: {
throw std::runtime_error("invalid number of arguments (1 or 2 expected)");
}