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library: vertex off-by-1 errors

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Adam
2024-11-05 02:07:50 +00:00
parent 3e4cf7de6e
commit bb491bc024
1 changed files with 2 additions and 2 deletions
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4
src/library/plugin/plugin.c
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@@ -2562,7 +2562,7 @@ static int api_render3d_vertexuv(lua_State* state) {
const struct Render3D* render = require_self_userdata(state, "vertexuv");
const lua_Integer index = luaL_checkinteger(state, 2);
double uv[4];
render->vertex_functions.uv(index, render->vertex_functions.userdata, uv);
render->vertex_functions.uv(index - 1, render->vertex_functions.userdata, uv);
lua_pushnumber(state, uv[0]);
lua_pushnumber(state, uv[1]);
return 2;
@@ -2572,7 +2572,7 @@ static int api_render3d_vertexcolour(lua_State* state) {
const struct Render3D* render = require_self_userdata(state, "vertexcolour");
const lua_Integer index = luaL_checkinteger(state, 2);
double col[4];
render->vertex_functions.colour(index, render->vertex_functions.userdata, col);
render->vertex_functions.colour(index - 1, render->vertex_functions.userdata, col);
lua_pushnumber(state, col[0]);
lua_pushnumber(state, col[1]);
lua_pushnumber(state, col[2]);