void SurfaceTool::add_triangle_fan(const Vector<Vector3> &p_vertexes, const Vector<Vector2> &p_uvs, const Vector<Color> &p_colors, const Vector<Vector2> &p_uv2s, const Vector<Vector3> &p_normals, const Vector<Plane> &p_tangents) {
ERR_FAIL_COND(!begun);
ERR_FAIL_COND(primitive != Mesh::PRIMITIVE_TRIANGLES);
ERR_FAIL_COND(p_vertexes.size() < 3);
#define ADD_POINT(n) \
{ \
if (p_colors.size() > n) \
add_color(p_colors[n]); \
if (p_uvs.size() > n) \
add_uv(p_uvs[n]); \
if (p_uv2s.size() > n) \
add_uv2(p_uv2s[n]); \
if (p_normals.size() > n) \
add_normal(p_normals[n]); \
if (p_tangents.size() > n) \
add_tangent(p_tangents[n]); \
add_vertex(p_vertexes[n]); \
}
for (int i = 0; i < p_vertexes.size() - 2; i++) {
ADD_POINT(0);
ADD_POINT(i + 1);
ADD_POINT(i + 2);
}
#undef ADD_POINT
}
RID VisualServer::make_sphere_mesh(int p_lats,int p_lons,float p_radius) {
DVector<Vector3> vertices;
DVector<Vector3> normals;
for(int i = 1; i <= p_lats; i++) {
double lat0 = Math_PI * (-0.5 + (double) (i - 1) / p_lats);
double z0 = Math::sin(lat0);
double zr0 = Math::cos(lat0);
double lat1 = Math_PI * (-0.5 + (double) i / p_lats);
double z1 = Math::sin(lat1);
double zr1 = Math::cos(lat1);
for(int j = p_lons; j >= 1; j--) {
double lng0 = 2 * Math_PI * (double) (j - 1) / p_lons;
double x0 = Math::cos(lng0);
double y0 = Math::sin(lng0);
double lng1 = 2 * Math_PI * (double) (j) / p_lons;
double x1 = Math::cos(lng1);
double y1 = Math::sin(lng1);
Vector3 v[4]={
Vector3(x1 * zr0, z0, y1 *zr0),
Vector3(x1 * zr1, z1, y1 *zr1),
Vector3(x0 * zr1, z1, y0 *zr1),
Vector3(x0 * zr0, z0, y0 *zr0)
};
#define ADD_POINT(m_idx)\
normals.push_back(v[m_idx]); \
vertices.push_back(v[m_idx]*p_radius);\
ADD_POINT(0);
ADD_POINT(1);
ADD_POINT(2);
ADD_POINT(2);
ADD_POINT(3);
ADD_POINT(0);
}
}
RID mesh = mesh_create();
Array d;
d.resize(VS::ARRAY_MAX);
d[ARRAY_VERTEX]=vertices;
d[ARRAY_NORMAL]=normals;
mesh_add_surface(mesh,PRIMITIVE_TRIANGLES,d);
return mesh;
}
void ImmediateGeometry::add_sphere(int p_lats, int p_lons, float p_radius, bool p_add_uv) {
for(int i = 1; i <= p_lats; i++) {
double lat0 = Math_PI * (-0.5 + (double) (i - 1) / p_lats);
double z0 = Math::sin(lat0);
double zr0 = Math::cos(lat0);
double lat1 = Math_PI * (-0.5 + (double) i / p_lats);
double z1 = Math::sin(lat1);
double zr1 = Math::cos(lat1);
for(int j = p_lons; j >= 1; j--) {
double lng0 = 2 * Math_PI * (double) (j - 1) / p_lons;
double x0 = Math::cos(lng0);
double y0 = Math::sin(lng0);
double lng1 = 2 * Math_PI * (double) (j) / p_lons;
double x1 = Math::cos(lng1);
double y1 = Math::sin(lng1);
Vector3 v[4]={
Vector3(x1 * zr0, z0, y1 *zr0),
Vector3(x1 * zr1, z1, y1 *zr1),
Vector3(x0 * zr1, z1, y0 *zr1),
Vector3(x0 * zr0, z0, y0 *zr0)
};
#define ADD_POINT(m_idx)\
if (p_add_uv) {\
set_uv(Vector2(Math::atan2(v[m_idx].x,v[m_idx].z)/Math_PI * 0.5+0.5,v[m_idx].y*0.5+0.5));\
set_tangent(Plane(Vector3(-v[m_idx].z,v[m_idx].y,v[m_idx].x),1)); \
}\
set_normal(v[m_idx]);\
add_vertex(v[m_idx]*p_radius);
ADD_POINT(0);
ADD_POINT(1);
ADD_POINT(2);
ADD_POINT(2);
ADD_POINT(3);
ADD_POINT(0);
}
}
}
static void _make_sphere(int p_lats, int p_lons, float p_radius, Ref<SurfaceTool> p_tool) {
p_tool->begin(Mesh::PRIMITIVE_TRIANGLES);
for(int i = 1; i <= p_lats; i++) {
double lat0 = Math_PI * (-0.5 + (double) (i - 1) / p_lats);
double z0 = Math::sin(lat0);
double zr0 = Math::cos(lat0);
double lat1 = Math_PI * (-0.5 + (double) i / p_lats);
double z1 = Math::sin(lat1);
double zr1 = Math::cos(lat1);
for(int j = p_lons; j >= 1; j--) {
double lng0 = 2 * Math_PI * (double) (j - 1) / p_lons;
double x0 = Math::cos(lng0);
double y0 = Math::sin(lng0);
double lng1 = 2 * Math_PI * (double) (j) / p_lons;
double x1 = Math::cos(lng1);
double y1 = Math::sin(lng1);
Vector3 v[4]={
Vector3(x1 * zr0, z0, y1 *zr0),
Vector3(x1 * zr1, z1, y1 *zr1),
Vector3(x0 * zr1, z1, y0 *zr1),
Vector3(x0 * zr0, z0, y0 *zr0)
};
#define ADD_POINT(m_idx) \
p_tool->add_normal(v[m_idx]);\
p_tool->add_vertex(v[m_idx]*p_radius);
ADD_POINT(0);
ADD_POINT(1);
ADD_POINT(2);
ADD_POINT(2);
ADD_POINT(3);
ADD_POINT(0);
}
}
}
void ImmediateGeometry::add_sphere(int p_lats,int p_lons,float p_radius) {
for(int i = 1; i <= p_lats; i++) {
double lat0 = Math_PI * (-0.5 + (double) (i - 1) / p_lats);
double z0 = Math::sin(lat0);
double zr0 = Math::cos(lat0);
double lat1 = Math_PI * (-0.5 + (double) i / p_lats);
double z1 = Math::sin(lat1);
double zr1 = Math::cos(lat1);
for(int j = p_lons; j >= 1; j--) {
double lng0 = 2 * Math_PI * (double) (j - 1) / p_lons;
double x0 = Math::cos(lng0);
double y0 = Math::sin(lng0);
double lng1 = 2 * Math_PI * (double) (j) / p_lons;
double x1 = Math::cos(lng1);
double y1 = Math::sin(lng1);
Vector3 v[4]={
Vector3(x1 * zr0, z0, y1 *zr0),
Vector3(x1 * zr1, z1, y1 *zr1),
Vector3(x0 * zr1, z1, y0 *zr1),
Vector3(x0 * zr0, z0, y0 *zr0)
};
#define ADD_POINT(m_idx)\
set_normal(v[m_idx]);\
add_vertex(v[m_idx]*p_radius);
ADD_POINT(0);
ADD_POINT(1);
ADD_POINT(2);
ADD_POINT(2);
ADD_POINT(3);
ADD_POINT(0);
}
}
}
EditorMaterialPreviewPlugin::EditorMaterialPreviewPlugin() {
scenario = VS::get_singleton()->scenario_create();
viewport = VS::get_singleton()->viewport_create();
VS::get_singleton()->viewport_set_as_render_target(viewport,true);
VS::get_singleton()->viewport_set_render_target_update_mode(viewport,VS::RENDER_TARGET_UPDATE_DISABLED);
VS::get_singleton()->viewport_set_scenario(viewport,scenario);
VS::ViewportRect vr;
vr.x=0;
vr.y=0;
vr.width=128;
vr.height=128;
VS::get_singleton()->viewport_set_rect(viewport,vr);
camera = VS::get_singleton()->camera_create();
VS::get_singleton()->viewport_attach_camera(viewport,camera);
VS::get_singleton()->camera_set_transform(camera,Transform(Matrix3(),Vector3(0,0,3)));
VS::get_singleton()->camera_set_perspective(camera,45,0.1,10);
light = VS::get_singleton()->light_create(VS::LIGHT_DIRECTIONAL);
light_instance = VS::get_singleton()->instance_create2(light,scenario);
VS::get_singleton()->instance_set_transform(light_instance,Transform().looking_at(Vector3(-1,-1,-1),Vector3(0,1,0)));
light2 = VS::get_singleton()->light_create(VS::LIGHT_DIRECTIONAL);
VS::get_singleton()->light_set_color(light2,VS::LIGHT_COLOR_DIFFUSE,Color(0.7,0.7,0.7));
VS::get_singleton()->light_set_color(light2,VS::LIGHT_COLOR_SPECULAR,Color(0.0,0.0,0.0));
light_instance2 = VS::get_singleton()->instance_create2(light2,scenario);
VS::get_singleton()->instance_set_transform(light_instance2,Transform().looking_at(Vector3(0,1,0),Vector3(0,0,1)));
sphere = VS::get_singleton()->mesh_create();
sphere_instance = VS::get_singleton()->instance_create2(sphere,scenario);
int lats=32;
int lons=32;
float radius=1.0;
PoolVector<Vector3> vertices;
PoolVector<Vector3> normals;
PoolVector<Vector2> uvs;
PoolVector<float> tangents;
Matrix3 tt = Matrix3(Vector3(0,1,0),Math_PI*0.5);
for(int i = 1; i <= lats; i++) {
double lat0 = Math_PI * (-0.5 + (double) (i - 1) / lats);
double z0 = Math::sin(lat0);
double zr0 = Math::cos(lat0);
double lat1 = Math_PI * (-0.5 + (double) i / lats);
double z1 = Math::sin(lat1);
double zr1 = Math::cos(lat1);
for(int j = lons; j >= 1; j--) {
double lng0 = 2 * Math_PI * (double) (j - 1) / lons;
double x0 = Math::cos(lng0);
double y0 = Math::sin(lng0);
double lng1 = 2 * Math_PI * (double) (j) / lons;
double x1 = Math::cos(lng1);
double y1 = Math::sin(lng1);
Vector3 v[4]={
Vector3(x1 * zr0, z0, y1 *zr0),
Vector3(x1 * zr1, z1, y1 *zr1),
Vector3(x0 * zr1, z1, y0 *zr1),
Vector3(x0 * zr0, z0, y0 *zr0)
};
#define ADD_POINT(m_idx) \
normals.push_back(v[m_idx]); \
vertices.push_back(v[m_idx] * radius); \
{ \
Vector2 uv(Math::atan2(v[m_idx].x, v[m_idx].z), Math::atan2(-v[m_idx].y, v[m_idx].z)); \
uv /= Math_PI; \
uv *= 4.0; \
uv = uv * 0.5 + Vector2(0.5, 0.5); \
uvs.push_back(uv); \
} \
{ \
Vector3 t = tt.xform(v[m_idx]); \
tangents.push_back(t.x); \
tangents.push_back(t.y); \
tangents.push_back(t.z); \
tangents.push_back(1.0); \
}
ADD_POINT(0);
ADD_POINT(1);
ADD_POINT(2);
ADD_POINT(2);
ADD_POINT(3);
ADD_POINT(0);
}
}
Array arr;
arr.resize(VS::ARRAY_MAX);
arr[VS::ARRAY_VERTEX]=vertices;
arr[VS::ARRAY_NORMAL]=normals;
arr[VS::ARRAY_TANGENT]=tangents;
arr[VS::ARRAY_TEX_UV]=uvs;
VS::get_singleton()->mesh_add_surface(sphere,VS::PRIMITIVE_TRIANGLES,arr);
}
MaterialEditor::MaterialEditor() {
viewport = memnew( Viewport );
Ref<World> world;
world.instance();
viewport->set_world(world); //use own world
add_child(viewport);
viewport->set_disable_input(true);
camera = memnew( Camera );
camera->set_transform(Transform(Matrix3(),Vector3(0,0,3)));
camera->set_perspective(45,0.1,10);
viewport->add_child(camera);
light1 = memnew( DirectionalLight );
light1->set_transform(Transform().looking_at(Vector3(-1,-1,-1),Vector3(0,1,0)));
viewport->add_child(light1);
light2 = memnew( DirectionalLight );
light2->set_transform(Transform().looking_at(Vector3(0,1,0),Vector3(0,0,1)));
light2->set_color(Light::COLOR_DIFFUSE,Color(0.7,0.7,0.7));
light2->set_color(Light::COLOR_SPECULAR,Color(0.7,0.7,0.7));
viewport->add_child(light2);
sphere_instance = memnew( MeshInstance );
viewport->add_child(sphere_instance);
box_instance = memnew( MeshInstance );
viewport->add_child(box_instance);
Transform box_xform;
box_xform.basis.rotate(Vector3(1,0,0),Math::deg2rad(25));
box_xform.basis = box_xform.basis * Matrix3().rotated(Vector3(0,1,0),Math::deg2rad(25));
box_xform.basis.scale(Vector3(0.8,0.8,0.8));
box_instance->set_transform(box_xform);
{
sphere_mesh.instance();
int lats=32;
int lons=32;
float radius=1.0;
PoolVector<Vector3> vertices;
PoolVector<Vector3> normals;
PoolVector<Vector2> uvs;
PoolVector<float> tangents;
Matrix3 tt = Matrix3(Vector3(0,1,0),Math_PI*0.5);
for(int i = 1; i <= lats; i++) {
double lat0 = Math_PI * (-0.5 + (double) (i - 1) / lats);
double z0 = Math::sin(lat0);
double zr0 = Math::cos(lat0);
double lat1 = Math_PI * (-0.5 + (double) i / lats);
double z1 = Math::sin(lat1);
double zr1 = Math::cos(lat1);
for(int j = lons; j >= 1; j--) {
double lng0 = 2 * Math_PI * (double) (j - 1) / lons;
double x0 = Math::cos(lng0);
double y0 = Math::sin(lng0);
double lng1 = 2 * Math_PI * (double) (j) / lons;
double x1 = Math::cos(lng1);
double y1 = Math::sin(lng1);
Vector3 v[4]={
Vector3(x1 * zr0, z0, y1 *zr0),
Vector3(x1 * zr1, z1, y1 *zr1),
Vector3(x0 * zr1, z1, y0 *zr1),
Vector3(x0 * zr0, z0, y0 *zr0)
};
#define ADD_POINT(m_idx) \
normals.push_back(v[m_idx]);\
vertices.push_back(v[m_idx]*radius);\
{ Vector2 uv(Math::atan2(v[m_idx].x,v[m_idx].z),Math::atan2(-v[m_idx].y,v[m_idx].z));\
uv/=Math_PI;\
uv*=4.0;\
uv=uv*0.5+Vector2(0.5,0.5);\
uvs.push_back(uv);\
}\
{ Vector3 t = tt.xform(v[m_idx]);\
tangents.push_back(t.x);\
tangents.push_back(t.y);\
tangents.push_back(t.z);\
tangents.push_back(1.0);\
}
ADD_POINT(0);
ADD_POINT(1);
ADD_POINT(2);
ADD_POINT(2);
ADD_POINT(3);
ADD_POINT(0);
}
}
Array arr;
arr.resize(VS::ARRAY_MAX);
arr[VS::ARRAY_VERTEX]=vertices;
arr[VS::ARRAY_NORMAL]=normals;
arr[VS::ARRAY_TANGENT]=tangents;
arr[VS::ARRAY_TEX_UV]=uvs;
sphere_mesh->add_surface(Mesh::PRIMITIVE_TRIANGLES,arr);
sphere_instance->set_mesh(sphere_mesh);
}
{
box_mesh.instance();
PoolVector<Vector3> vertices;
PoolVector<Vector3> normals;
PoolVector<float> tangents;
PoolVector<Vector3> uvs;
int vtx_idx=0;
#define ADD_VTX(m_idx);\
vertices.push_back( face_points[m_idx] );\
normals.push_back( normal_points[m_idx] );\
tangents.push_back( normal_points[m_idx][1] );\
tangents.push_back( normal_points[m_idx][2] );\
tangents.push_back( normal_points[m_idx][0] );\
tangents.push_back( 1.0 );\
uvs.push_back( Vector3(uv_points[m_idx*2+0],uv_points[m_idx*2+1],0) );\
vtx_idx++;\
for (int i=0;i<6;i++) {
Vector3 face_points[4];
Vector3 normal_points[4];
float uv_points[8]={0,0,0,1,1,1,1,0};
for (int j=0;j<4;j++) {
float v[3];
v[0]=1.0;
v[1]=1-2*((j>>1)&1);
v[2]=v[1]*(1-2*(j&1));
for (int k=0;k<3;k++) {
if (i<3)
face_points[j][(i+k)%3]=v[k]*(i>=3?-1:1);
else
face_points[3-j][(i+k)%3]=v[k]*(i>=3?-1:1);
}
normal_points[j]=Vector3();
normal_points[j][i%3]=(i>=3?-1:1);
}
//tri 1
ADD_VTX(0);
ADD_VTX(1);
ADD_VTX(2);
//tri 2
ADD_VTX(2);
ADD_VTX(3);
ADD_VTX(0);
}
Array d;
d.resize(VS::ARRAY_MAX);
d[VisualServer::ARRAY_NORMAL]= normals ;
d[VisualServer::ARRAY_TANGENT]= tangents ;
d[VisualServer::ARRAY_TEX_UV]= uvs ;
d[VisualServer::ARRAY_VERTEX]= vertices ;
PoolVector<int> indices;
indices.resize(vertices.size());
for(int i=0;i<vertices.size();i++)
indices.set(i,i);
d[VisualServer::ARRAY_INDEX]=indices;
box_mesh->add_surface(Mesh::PRIMITIVE_TRIANGLES,d);
box_instance->set_mesh(box_mesh);
box_instance->hide();
}
set_custom_minimum_size(Size2(1,150)*EDSCALE);
HBoxContainer *hb = memnew( HBoxContainer );
add_child(hb);
hb->set_area_as_parent_rect(2);
VBoxContainer *vb_shape = memnew( VBoxContainer );
hb->add_child(vb_shape);
sphere_switch = memnew( TextureButton );
sphere_switch->set_toggle_mode(true);
sphere_switch->set_pressed(true);
vb_shape->add_child(sphere_switch);
sphere_switch->connect("pressed",this,"_button_pressed",varray(sphere_switch));
box_switch = memnew( TextureButton );
box_switch->set_toggle_mode(true);
box_switch->set_pressed(false);
vb_shape->add_child(box_switch);
box_switch->connect("pressed",this,"_button_pressed",varray(box_switch));
hb->add_spacer();
VBoxContainer *vb_light = memnew( VBoxContainer );
hb->add_child(vb_light);
light_1_switch = memnew( TextureButton );
light_1_switch->set_toggle_mode(true);
vb_light->add_child(light_1_switch);
light_1_switch->connect("pressed",this,"_button_pressed",varray(light_1_switch));
light_2_switch = memnew( TextureButton );
light_2_switch->set_toggle_mode(true);
vb_light->add_child(light_2_switch);
light_2_switch->connect("pressed",this,"_button_pressed",varray(light_2_switch));
first_enter=true;
}
static void create_border_with_arrow(GtkWidget* nw, WindowData* windata)
{
int width;
int height;
int y;
int norm_point_x;
int norm_point_y;
GtkArrowType arrow_type;
GdkScreen* screen;
int arrow_side1_width = DEFAULT_ARROW_WIDTH / 2;
int arrow_side2_width = DEFAULT_ARROW_WIDTH / 2;
int arrow_offset = DEFAULT_ARROW_OFFSET;
GdkPoint* shape_points = NULL;
int i = 0;
int monitor;
GdkRectangle monitor_geometry;
width = windata->width;
height = windata->height;
screen = gdk_window_get_screen(GDK_WINDOW(gtk_widget_get_window(nw)));
monitor = gdk_screen_get_monitor_at_point(screen, windata->point_x, windata->point_y);
gdk_screen_get_monitor_geometry(screen, monitor, &monitor_geometry);
windata->num_border_points = 5;
arrow_type = get_notification_arrow_type(windata->win);
norm_point_x = windata->point_x - monitor_geometry.x;
norm_point_y = windata->point_y - monitor_geometry.y;
/* Handle the offset and such */
switch (arrow_type)
{
case GTK_ARROW_UP:
case GTK_ARROW_DOWN:
if (norm_point_x < arrow_side1_width)
{
arrow_side1_width = 0;
arrow_offset = 0;
}
else if (norm_point_x > monitor_geometry.width - arrow_side2_width)
{
arrow_side2_width = 0;
arrow_offset = width - arrow_side1_width;
}
else
{
if (norm_point_x - arrow_side2_width + width >= monitor_geometry.width)
{
arrow_offset = width - monitor_geometry.width + norm_point_x;
}
else
{
arrow_offset = MIN(norm_point_x - arrow_side1_width, DEFAULT_ARROW_OFFSET);
}
if (arrow_offset == 0 || arrow_offset == width - arrow_side1_width)
{
windata->num_border_points++;
}
else
{
windata->num_border_points += 2;
}
}
/*
* Why risk this for official builds? If it's somehow off the
* screen, it won't horribly impact the user. Definitely less
* than an assertion would...
*/
#if 0
g_assert(arrow_offset + arrow_side1_width >= 0);
g_assert(arrow_offset + arrow_side1_width + arrow_side2_width <= width);
#endif
windata->border_points = g_new0(GdkPoint, windata->num_border_points);
shape_points = g_new0(GdkPoint, windata->num_border_points);
windata->drawn_arrow_begin_x = arrow_offset;
windata->drawn_arrow_middle_x = arrow_offset + arrow_side1_width;
windata->drawn_arrow_end_x = arrow_offset + arrow_side1_width + arrow_side2_width;
if (arrow_type == GTK_ARROW_UP)
{
windata->drawn_arrow_begin_y = DEFAULT_ARROW_HEIGHT;
windata->drawn_arrow_middle_y = 0;
windata->drawn_arrow_end_y = DEFAULT_ARROW_HEIGHT;
if (arrow_side1_width == 0)
{
ADD_POINT(0, 0, 0, 0);
}
else
{
ADD_POINT(0, DEFAULT_ARROW_HEIGHT, 0, 0);
if (arrow_offset > 0)
{
ADD_POINT(arrow_offset - (arrow_side2_width > 0 ? 0 : 1), DEFAULT_ARROW_HEIGHT, 0, 0);
}
ADD_POINT(arrow_offset + arrow_side1_width - (arrow_side2_width > 0 ? 0 : 1), 0, 0, 0);
}
if (arrow_side2_width > 0)
{
ADD_POINT(windata->drawn_arrow_end_x, windata->drawn_arrow_end_y, 1, 0);
ADD_POINT(width - 1, DEFAULT_ARROW_HEIGHT, 1, 0);
}
ADD_POINT(width - 1, height - 1, 1, 1);
ADD_POINT(0, height - 1, 0, 1);
y = windata->point_y;
}
else
{
windata->drawn_arrow_begin_y = height - DEFAULT_ARROW_HEIGHT;
windata->drawn_arrow_middle_y = height;
windata->drawn_arrow_end_y = height - DEFAULT_ARROW_HEIGHT;
ADD_POINT(0, 0, 0, 0);
ADD_POINT(width - 1, 0, 1, 0);
if (arrow_side2_width == 0)
{
ADD_POINT(width - 1, height, (arrow_side1_width > 0 ? 0 : 1), 0);
}
else
{
ADD_POINT(width - 1, height - DEFAULT_ARROW_HEIGHT, 1, 1);
if (arrow_offset < width - arrow_side1_width)
{
ADD_POINT(arrow_offset + arrow_side1_width + arrow_side2_width, height - DEFAULT_ARROW_HEIGHT, 0, 1);
}
ADD_POINT(arrow_offset + arrow_side1_width, height, 0, 1);
}
if (arrow_side1_width > 0)
{
ADD_POINT(windata->drawn_arrow_begin_x - (arrow_side2_width > 0 ? 0 : 1), windata->drawn_arrow_begin_y, 0, 0);
ADD_POINT(0, height - DEFAULT_ARROW_HEIGHT, 0, 1);
}
y = windata->point_y - height;
}
#if 0
g_assert(i == windata->num_border_points);
g_assert(windata->point_x - arrow_offset - arrow_side1_width >= 0);
#endif
gtk_window_move(GTK_WINDOW(windata->win), windata->point_x - arrow_offset - arrow_side1_width, y);
break;
case GTK_ARROW_LEFT:
case GTK_ARROW_RIGHT:
if (norm_point_y < arrow_side1_width)
{
arrow_side1_width = 0;
arrow_offset = norm_point_y;
}
else if (norm_point_y > monitor_geometry.height - arrow_side2_width)
{
arrow_side2_width = 0;
arrow_offset = norm_point_y - arrow_side1_width;
}
break;
default:
g_assert_not_reached();
}
g_assert(shape_points != NULL);
#if GTK_CHECK_VERSION(3, 0, 0)
/* FIXME!!! */
#else
windata->window_region = gdk_region_polygon(shape_points, windata->num_border_points, GDK_EVEN_ODD_RULE);
#endif
g_free(shape_points);
}
API
int
ImageKit_Image_DrawBresenhamCircle(
ImageKit_Image *self,
DIMENSION midpoint_x,
DIMENSION midpoint_y,
DIMENSION radius,
REAL *color
)
{
int32_t f, dx, dy, sx, sy, x, y, r;
int32_t c;
REAL *ptr;
r = radius;
sx = midpoint_x;
sy = midpoint_y;
f = 1 - r;
dx = 1;
dy = -2 * r;
x = 0;
y = r;
ADD_POINT(sx, sy + r);
ADD_POINT(sx, sy - r);
ADD_POINT(sx + r, sy);
ADD_POINT(sx - r, sy);
while (x < y) {
if (f >= 0) {
y -= 1;
dy += 2;
f += dy;
}
x += 1;
dx += 2;
f += dx;
ADD_POINT(sx + x, sy + y);
ADD_POINT(sx - x, sy + y);
ADD_POINT(sx + x, sy - y);
ADD_POINT(sx - x, sy - y);
ADD_POINT(sx + y, sy + x);
ADD_POINT(sx - y, sy + x);
ADD_POINT(sx + y, sy - x);
ADD_POINT(sx - y, sy - x);
}
return 1;
}
API
int
ImageKit_Image_DrawBresenhamLine(
ImageKit_Image *self,
DIMENSION _x0,
DIMENSION _y0,
DIMENSION _x1,
DIMENSION _y1,
REAL *color
)
{
int32_t dx, dy;
int32_t sx, sy;
int32_t x0, y0;
int32_t x1, y1;
int32_t err, e2;
int32_t res1, res2;
int32_t c;
REAL *ptr;
x0 = _x0;
x1 = _x1;
y0 = _y0;
y1 = _y1;
dx = abs(x1 - x0);
dy = abs(y1 - y0);
sx = (x0 < x1) ? 1 : -1;
sy = (y0 < y1) ? 1 : -1;
err = dx - dy;
while (1) {
ADD_POINT(x0, y0);
if (x0 == x1 && y0 == y1) {
break;
}
e2 = 2 * err;
/*
Optimized for minimal branching. Same as:
if (e2 > -dy) {
err = err - dy;
x0 = x0 + sx;
}
if (e2 < dx) {
err = err + dx;
y0 = y0 + sy;
}
*/
res1 = e2 > -dy;
res2 = e2 < dx;
err = (err - (dy * res1)) + (dx * res2);
x0 = x0 + (sx * res1);
y0 = y0 + (sy * res2);
}
return 1;
}
API
int
ImageKit_Image_DrawBresenhamEllipse(
ImageKit_Image *self,
DIMENSION _x0,
DIMENSION _y0,
DIMENSION _x1,
DIMENSION _y1,
REAL *color
)
{
int32_t a, b, b1, x0, y0, x1, y1, c;
int64_t dx, dy, err, e2;
REAL *ptr;
x0 = _x0;
x1 = _x1;
y0 = _y0;
y1 = _y1;
a = abs(x1 - x0);
b = abs(y1 - y0);
b1 = b & 1;
dx = 4 * ( 1 - a) * b * b;
dy = 4 * (b1 + 1) * a * a;
err = dx + dy + b1 * a * a;
if (x0 > x1) {
x0 = x1;
x1 += a;
}
if (y0 > y1) {
y0 = y1;
}
y0 += (b + 1) / 2;
y1 = y0 - b1;
a *= 8 * a;
b1 = 8 * b * b;
do {
ADD_POINT(x1, y0);
ADD_POINT(x0, y0);
ADD_POINT(x0, y1);
ADD_POINT(x1, y1);
e2 = 2 * err;
if (e2 <= dy) {
// y step
y0++;
y1--;
err += dy += a;
}
if (e2 >= dx || 2 * err > dy) {
// x step
x0++;
x1--;
err += dx += b1;
}
} while (x0 <= x1);
while (y0 - y1 < b) {
ADD_POINT(x0 - 1, y0);
ADD_POINT(x1 + 1, y0);
ADD_POINT(x0 - 1, y1);
ADD_POINT(x1 + 1, y1);
y0++;
y1--;
}
return 1;
}
EditorMaterialPreviewPlugin::EditorMaterialPreviewPlugin() {
scenario = VS::get_singleton()->scenario_create();
viewport = VS::get_singleton()->viewport_create();
VS::get_singleton()->viewport_set_update_mode(viewport, VS::VIEWPORT_UPDATE_DISABLED);
VS::get_singleton()->viewport_set_scenario(viewport, scenario);
VS::get_singleton()->viewport_set_size(viewport, 128, 128);
VS::get_singleton()->viewport_set_transparent_background(viewport, true);
VS::get_singleton()->viewport_set_active(viewport, true);
VS::get_singleton()->viewport_set_vflip(viewport, true);
viewport_texture = VS::get_singleton()->viewport_get_texture(viewport);
camera = VS::get_singleton()->camera_create();
VS::get_singleton()->viewport_attach_camera(viewport, camera);
VS::get_singleton()->camera_set_transform(camera, Transform(Basis(), Vector3(0, 0, 3)));
VS::get_singleton()->camera_set_perspective(camera, 45, 0.1, 10);
light = VS::get_singleton()->directional_light_create();
light_instance = VS::get_singleton()->instance_create2(light, scenario);
VS::get_singleton()->instance_set_transform(light_instance, Transform().looking_at(Vector3(-1, -1, -1), Vector3(0, 1, 0)));
light2 = VS::get_singleton()->directional_light_create();
VS::get_singleton()->light_set_color(light2, Color(0.7, 0.7, 0.7));
//VS::get_singleton()->light_set_color(light2, Color(0.7, 0.7, 0.7));
light_instance2 = VS::get_singleton()->instance_create2(light2, scenario);
VS::get_singleton()->instance_set_transform(light_instance2, Transform().looking_at(Vector3(0, 1, 0), Vector3(0, 0, 1)));
sphere = VS::get_singleton()->mesh_create();
sphere_instance = VS::get_singleton()->instance_create2(sphere, scenario);
int lats = 32;
int lons = 32;
float radius = 1.0;
PoolVector<Vector3> vertices;
PoolVector<Vector3> normals;
PoolVector<Vector2> uvs;
PoolVector<float> tangents;
Basis tt = Basis(Vector3(0, 1, 0), Math_PI * 0.5);
for (int i = 1; i <= lats; i++) {
double lat0 = Math_PI * (-0.5 + (double)(i - 1) / lats);
double z0 = Math::sin(lat0);
double zr0 = Math::cos(lat0);
double lat1 = Math_PI * (-0.5 + (double)i / lats);
double z1 = Math::sin(lat1);
double zr1 = Math::cos(lat1);
for (int j = lons; j >= 1; j--) {
double lng0 = 2 * Math_PI * (double)(j - 1) / lons;
double x0 = Math::cos(lng0);
double y0 = Math::sin(lng0);
double lng1 = 2 * Math_PI * (double)(j) / lons;
double x1 = Math::cos(lng1);
double y1 = Math::sin(lng1);
Vector3 v[4] = {
Vector3(x1 * zr0, z0, y1 * zr0),
Vector3(x1 * zr1, z1, y1 * zr1),
Vector3(x0 * zr1, z1, y0 * zr1),
Vector3(x0 * zr0, z0, y0 * zr0)
};
#define ADD_POINT(m_idx) \
normals.push_back(v[m_idx]); \
vertices.push_back(v[m_idx] * radius); \
{ \
Vector2 uv(Math::atan2(v[m_idx].x, v[m_idx].z), Math::atan2(-v[m_idx].y, v[m_idx].z)); \
uv /= Math_PI; \
uv *= 4.0; \
uv = uv * 0.5 + Vector2(0.5, 0.5); \
uvs.push_back(uv); \
} \
{ \
Vector3 t = tt.xform(v[m_idx]); \
tangents.push_back(t.x); \
tangents.push_back(t.y); \
tangents.push_back(t.z); \
tangents.push_back(1.0); \
}
ADD_POINT(0);
ADD_POINT(1);
ADD_POINT(2);
ADD_POINT(2);
ADD_POINT(3);
ADD_POINT(0);
}
}
Array arr;
arr.resize(VS::ARRAY_MAX);
arr[VS::ARRAY_VERTEX] = vertices;
arr[VS::ARRAY_NORMAL] = normals;
arr[VS::ARRAY_TANGENT] = tangents;
arr[VS::ARRAY_TEX_UV] = uvs;
VS::get_singleton()->mesh_add_surface_from_arrays(sphere, VS::PRIMITIVE_TRIANGLES, arr);
}
