paint: implement camera pivot - cursor
This commit is contained in:
luboslenco
+239
-123
@@ -1,36 +1,238 @@
|
||||
|
||||
#include "global.h"
|
||||
|
||||
static bool camera_wrap_mouse() {
|
||||
if (mouse_view_x() < 0 || mouse_view_x() > sys_w() || mouse_view_y() < 0 || mouse_view_y() > sys_h()) {
|
||||
if (!config_raw->wrap_mouse || !camera_controls_down) {
|
||||
return false;
|
||||
}
|
||||
if (mouse_view_x() < 0) {
|
||||
mouse_x = mouse_last_x = sys_x() + sys_w();
|
||||
iron_mouse_set_position(math_floor(mouse_x), math_floor(mouse_y));
|
||||
}
|
||||
else if (mouse_view_x() > sys_w()) {
|
||||
mouse_x = mouse_last_x = sys_x();
|
||||
iron_mouse_set_position(math_floor(mouse_x), math_floor(mouse_y));
|
||||
}
|
||||
else if (mouse_view_y() < 0) {
|
||||
mouse_y = mouse_last_y = sys_y() + sys_h();
|
||||
iron_mouse_set_position(math_floor(mouse_x), math_floor(mouse_y));
|
||||
}
|
||||
else if (mouse_view_y() > sys_h()) {
|
||||
mouse_y = mouse_last_y = sys_y();
|
||||
iron_mouse_set_position(math_floor(mouse_x), math_floor(mouse_y));
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
static void camera_orbit_action(bool modif, bool default_keymap) {
|
||||
camera_object_t *camera = scene_camera;
|
||||
camera_redraws = 2;
|
||||
|
||||
if (context_raw->camera_pivot == CAMERA_PIVOT_CURSOR) {
|
||||
static f32 pivot_x = 0;
|
||||
static f32 pivot_y = 0;
|
||||
static f32 pivot_z = 0;
|
||||
static bool pivot_valid = false;
|
||||
|
||||
bool rotate_started =
|
||||
operator_shortcut(any_map_get(config_keymap, "action_rotate"), SHORTCUT_TYPE_STARTED) || (mouse_started("right") && !modif && default_keymap);
|
||||
if (rotate_started) {
|
||||
util_render_pick_pos_nor_tex();
|
||||
pivot_valid = math_abs(context_raw->posx_picked) < 50 && math_abs(context_raw->posy_picked) < 50 && math_abs(context_raw->posz_picked) < 50;
|
||||
if (pivot_valid) {
|
||||
pivot_x = context_raw->posx_picked;
|
||||
pivot_y = context_raw->posy_picked;
|
||||
pivot_z = context_raw->posz_picked;
|
||||
}
|
||||
}
|
||||
|
||||
if (pivot_valid) {
|
||||
f32 angle_x = -mouse_movement_x / 100.0 * config_raw->camera_rotation_speed;
|
||||
f32 angle_y = -mouse_movement_y / 100.0 * config_raw->camera_rotation_speed;
|
||||
|
||||
transform_rotate(camera->base->transform, vec4_z_axis(), angle_x);
|
||||
vec4_t right = camera_object_right_world(camera);
|
||||
transform_rotate(camera->base->transform, right, angle_y);
|
||||
vec4_t up_world = camera_object_up_world(camera);
|
||||
if (up_world.z < 0 && !config_raw->camera_upside_down) {
|
||||
transform_rotate(camera->base->transform, right, -angle_y);
|
||||
angle_y = 0.0;
|
||||
}
|
||||
|
||||
vec4_t offset =
|
||||
vec4_create(camera->base->transform->loc.x - pivot_x, camera->base->transform->loc.y - pivot_y, camera->base->transform->loc.z - pivot_z, 0.0);
|
||||
quat_t q_x = quat_from_axis_angle(vec4_z_axis(), angle_x);
|
||||
quat_t q_y = quat_from_axis_angle(right, angle_y);
|
||||
offset = vec4_apply_quat(offset, q_x);
|
||||
offset = vec4_apply_quat(offset, q_y);
|
||||
camera->base->transform->loc.x = pivot_x + offset.x;
|
||||
camera->base->transform->loc.y = pivot_y + offset.y;
|
||||
camera->base->transform->loc.z = pivot_z + offset.z;
|
||||
camera_object_build_mat(camera);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
f32 dist = camera_distance();
|
||||
transform_move(camera->base->transform, camera_object_look_world(camera), dist);
|
||||
transform_rotate(camera->base->transform, vec4_z_axis(), -mouse_movement_x / 100.0 * config_raw->camera_rotation_speed);
|
||||
transform_rotate(camera->base->transform, camera_object_right_world(camera), -mouse_movement_y / 100.0 * config_raw->camera_rotation_speed);
|
||||
vec4_t up_world = camera_object_up_world(camera);
|
||||
if (up_world.z < 0 && !config_raw->camera_upside_down) {
|
||||
transform_rotate(camera->base->transform, camera_object_right_world(camera), mouse_movement_y / 100.0 * config_raw->camera_rotation_speed);
|
||||
}
|
||||
transform_move(camera->base->transform, camera_object_look_world(camera), -dist);
|
||||
}
|
||||
|
||||
static void camera_rotate_action(bool modif, bool default_keymap) {
|
||||
camera_object_t *camera = scene_camera;
|
||||
camera_redraws = 2;
|
||||
transform_t *t = context_main_object()->base->transform;
|
||||
vec4_t up = transform_up(t);
|
||||
|
||||
if (context_raw->camera_pivot == CAMERA_PIVOT_CURSOR) {
|
||||
static f32 pivot_x = 0;
|
||||
static f32 pivot_y = 0;
|
||||
static f32 pivot_z = 0;
|
||||
static bool pivot_valid = false;
|
||||
|
||||
bool rotate_started =
|
||||
operator_shortcut(any_map_get(config_keymap, "action_rotate"), SHORTCUT_TYPE_STARTED) || (mouse_started("right") && !modif && default_keymap);
|
||||
if (rotate_started) {
|
||||
util_render_pick_pos_nor_tex();
|
||||
pivot_valid = math_abs(context_raw->posx_picked) < 50 && math_abs(context_raw->posy_picked) < 50 && math_abs(context_raw->posz_picked) < 50;
|
||||
if (pivot_valid) {
|
||||
pivot_x = context_raw->posx_picked;
|
||||
pivot_y = context_raw->posy_picked;
|
||||
pivot_z = context_raw->posz_picked;
|
||||
}
|
||||
}
|
||||
|
||||
if (pivot_valid) {
|
||||
f32 angle_x = (mouse_movement_x / 120.0) * config_raw->camera_rotation_speed;
|
||||
f32 angle_y = (mouse_movement_y / 120.0) * config_raw->camera_rotation_speed;
|
||||
vec4_t right = camera_object_right_world(camera);
|
||||
|
||||
transform_rotate(t, up, angle_x);
|
||||
transform_rotate(t, right, angle_y);
|
||||
transform_build_matrix(t);
|
||||
vec4_t tup = transform_up(t);
|
||||
if (tup.z < 0 && !config_raw->camera_upside_down) {
|
||||
transform_rotate(t, right, -angle_y);
|
||||
angle_y = 0.0;
|
||||
}
|
||||
|
||||
vec4_t offset = vec4_create(t->loc.x - pivot_x, t->loc.y - pivot_y, t->loc.z - pivot_z, 0.0);
|
||||
quat_t q_x = quat_from_axis_angle(up, angle_x);
|
||||
quat_t q_y = quat_from_axis_angle(right, angle_y);
|
||||
offset = vec4_apply_quat(offset, q_x);
|
||||
offset = vec4_apply_quat(offset, q_y);
|
||||
t->loc.x = pivot_x + offset.x;
|
||||
t->loc.y = pivot_y + offset.y;
|
||||
t->loc.z = pivot_z + offset.z;
|
||||
transform_build_matrix(t);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
transform_rotate(t, up, (mouse_movement_x / 120.0) * config_raw->camera_rotation_speed);
|
||||
vec4_t right = camera_object_right_world(camera);
|
||||
transform_rotate(t, right, (mouse_movement_y / 120.0) * config_raw->camera_rotation_speed);
|
||||
transform_build_matrix(t);
|
||||
vec4_t tup = transform_up(t);
|
||||
if (tup.z < 0 && !config_raw->camera_upside_down) {
|
||||
transform_rotate(t, right, -(mouse_movement_y / 120.0) * config_raw->camera_rotation_speed);
|
||||
}
|
||||
}
|
||||
|
||||
static void camera_zoom_action(bool modif_key) {
|
||||
camera_object_t *camera = scene_camera;
|
||||
|
||||
if (operator_shortcut(any_map_get(config_keymap, "action_zoom"), SHORTCUT_TYPE_DOWN)) {
|
||||
camera_redraws = 2;
|
||||
f32 f = camera_get_zoom_delta() / (float)(150.0 * (1.0 / (camera_distance() / 2.0)));
|
||||
f *= camera_get_zoom_speed();
|
||||
transform_move(camera->base->transform, camera_object_look(camera), f);
|
||||
}
|
||||
|
||||
if (mouse_wheel_delta != 0 && !modif_key) {
|
||||
camera_redraws = 2;
|
||||
f32 f = mouse_wheel_delta * (-0.2) * ((camera_distance() / 4.0));
|
||||
f *= camera_get_zoom_speed();
|
||||
transform_move(camera->base->transform, camera_object_look(camera), f);
|
||||
}
|
||||
}
|
||||
|
||||
static void camera_fly_action(bool modif_key) {
|
||||
camera_object_t *camera = scene_camera;
|
||||
|
||||
bool move_forward = keyboard_down("w") || keyboard_down("up") || mouse_wheel_delta < 0;
|
||||
bool move_backward = keyboard_down("s") || keyboard_down("down") || mouse_wheel_delta > 0;
|
||||
bool strafe_left = keyboard_down("a") || keyboard_down("left");
|
||||
bool strafe_right = keyboard_down("d") || keyboard_down("right");
|
||||
bool strafe_up = keyboard_down("e");
|
||||
bool strafe_down = keyboard_down("q");
|
||||
f32 fast = keyboard_down("shift") ? 2.0 : (keyboard_down("alt") ? 0.5 : 1.0);
|
||||
if (mouse_wheel_delta != 0) {
|
||||
fast *= math_abs(mouse_wheel_delta) * 4.0;
|
||||
}
|
||||
|
||||
if (move_forward || move_backward || strafe_right || strafe_left || strafe_up || strafe_down) {
|
||||
camera_ease += sys_delta() * 15;
|
||||
if (camera_ease > 1.0) {
|
||||
camera_ease = 1.0;
|
||||
}
|
||||
camera_dir = vec4_create(0, 0, 0, 1.0);
|
||||
vec4_t look = camera_object_look(camera);
|
||||
vec4_t right = camera_object_right(camera);
|
||||
if (move_forward) {
|
||||
camera_dir = vec4_fadd(camera_dir, look.x, look.y, look.z, 0.0);
|
||||
}
|
||||
if (move_backward) {
|
||||
camera_dir = vec4_fadd(camera_dir, -look.x, -look.y, -look.z, 0.0);
|
||||
}
|
||||
if (strafe_right) {
|
||||
camera_dir = vec4_fadd(camera_dir, right.x, right.y, right.z, 0.0);
|
||||
}
|
||||
if (strafe_left) {
|
||||
camera_dir = vec4_fadd(camera_dir, -right.x, -right.y, -right.z, 0.0);
|
||||
}
|
||||
if (strafe_up) {
|
||||
camera_dir = vec4_fadd(camera_dir, 0, 0, 1, 0.0);
|
||||
}
|
||||
if (strafe_down) {
|
||||
camera_dir = vec4_fadd(camera_dir, 0, 0, -1, 0.0);
|
||||
}
|
||||
}
|
||||
else {
|
||||
camera_ease -= sys_delta() * 20.0 * camera_ease;
|
||||
if (camera_ease < 0.0) {
|
||||
camera_ease = 0.0;
|
||||
}
|
||||
}
|
||||
|
||||
f32 d = sys_delta() * fast * camera_ease * 2.0 * ((move_forward || move_backward) ? config_raw->camera_zoom_speed : config_raw->camera_pan_speed);
|
||||
if (d > 0.0) {
|
||||
transform_move(camera->base->transform, camera_dir, d);
|
||||
if (context_raw->camera_type == CAMERA_TYPE_ORTHOGRAPHIC) {
|
||||
viewport_update_camera_type(context_raw->camera_type);
|
||||
}
|
||||
}
|
||||
|
||||
camera_redraws = 2;
|
||||
transform_rotate(camera->base->transform, vec4_z_axis(), -mouse_movement_x / 200.0 * config_raw->camera_rotation_speed);
|
||||
transform_rotate(camera->base->transform, camera_object_right(camera), -mouse_movement_y / 200.0 * config_raw->camera_rotation_speed);
|
||||
}
|
||||
|
||||
void camera_init() {
|
||||
camera_reset(-1);
|
||||
}
|
||||
|
||||
void camera_update(void * _) {
|
||||
camera_object_t *camera = scene_camera;
|
||||
|
||||
if (mouse_view_x() < 0 || mouse_view_x() > sys_w() || mouse_view_y() < 0 || mouse_view_y() > sys_h()) {
|
||||
|
||||
if (config_raw->wrap_mouse && camera_controls_down) {
|
||||
if (mouse_view_x() < 0) {
|
||||
mouse_x = mouse_last_x = sys_x() + sys_w();
|
||||
iron_mouse_set_position(math_floor(mouse_x), math_floor(mouse_y));
|
||||
}
|
||||
else if (mouse_view_x() > sys_w()) {
|
||||
mouse_x = mouse_last_x = sys_x();
|
||||
iron_mouse_set_position(math_floor(mouse_x), math_floor(mouse_y));
|
||||
}
|
||||
else if (mouse_view_y() < 0) {
|
||||
mouse_y = mouse_last_y = sys_y() + sys_h();
|
||||
iron_mouse_set_position(math_floor(mouse_x), math_floor(mouse_y));
|
||||
}
|
||||
else if (mouse_view_y() > sys_h()) {
|
||||
mouse_y = mouse_last_y = sys_y();
|
||||
iron_mouse_set_position(math_floor(mouse_x), math_floor(mouse_y));
|
||||
}
|
||||
}
|
||||
else {
|
||||
return;
|
||||
}
|
||||
void camera_update(void *_) {
|
||||
if (!camera_wrap_mouse()) {
|
||||
return;
|
||||
}
|
||||
|
||||
bool modif_key = keyboard_down("alt") || keyboard_down("shift") || keyboard_down("control");
|
||||
@@ -57,108 +259,22 @@ void camera_update(void * _) {
|
||||
}
|
||||
|
||||
camera_controls_t controls = context_raw->camera_controls;
|
||||
|
||||
if (controls == CAMERA_CONTROLS_ORBIT &&
|
||||
(operator_shortcut(any_map_get(config_keymap, "action_rotate"), SHORTCUT_TYPE_DOWN) || (mouse_down("right") && !modif && default_keymap))) {
|
||||
camera_redraws = 2;
|
||||
f32 dist = camera_distance();
|
||||
transform_move(camera->base->transform, camera_object_look_world(camera), dist);
|
||||
transform_rotate(camera->base->transform, vec4_z_axis(), -mouse_movement_x / 100.0 * config_raw->camera_rotation_speed);
|
||||
transform_rotate(camera->base->transform, camera_object_right_world(camera), -mouse_movement_y / 100.0 * config_raw->camera_rotation_speed);
|
||||
vec4_t up_world = camera_object_up_world(camera);
|
||||
if (up_world.z < 0 && !config_raw->camera_upside_down) {
|
||||
transform_rotate(camera->base->transform, camera_object_right_world(camera), mouse_movement_y / 100.0 * config_raw->camera_rotation_speed);
|
||||
}
|
||||
transform_move(camera->base->transform, camera_object_look_world(camera), -dist);
|
||||
camera_orbit_action(modif, default_keymap);
|
||||
}
|
||||
else if (controls == CAMERA_CONTROLS_ROTATE &&
|
||||
(operator_shortcut(any_map_get(config_keymap, "action_rotate"), SHORTCUT_TYPE_DOWN) || (mouse_down("right") && !modif && default_keymap))) {
|
||||
camera_redraws = 2;
|
||||
transform_t *t = context_main_object()->base->transform;
|
||||
vec4_t up = transform_up(t);
|
||||
transform_rotate(t, up, (mouse_movement_x / 120.0) * config_raw->camera_rotation_speed);
|
||||
vec4_t right = camera_object_right_world(camera);
|
||||
transform_rotate(t, right, (mouse_movement_y / 120.0) * config_raw->camera_rotation_speed);
|
||||
transform_build_matrix(t);
|
||||
vec4_t tup = transform_up(t);
|
||||
if (tup.z < 0 && !config_raw->camera_upside_down) {
|
||||
transform_rotate(t, right, -(mouse_movement_y / 120.0) * config_raw->camera_rotation_speed);
|
||||
}
|
||||
camera_rotate_action(modif, default_keymap);
|
||||
}
|
||||
|
||||
if (controls == CAMERA_CONTROLS_ROTATE || controls == CAMERA_CONTROLS_ORBIT) {
|
||||
camera_pan_action(modif, default_keymap);
|
||||
|
||||
if (operator_shortcut(any_map_get(config_keymap, "action_zoom"), SHORTCUT_TYPE_DOWN)) {
|
||||
camera_redraws = 2;
|
||||
f32 f = camera_get_zoom_delta() / (float)(150.0 * (1.0 / (camera_distance() / 2.0)));
|
||||
f *= camera_get_zoom_speed();
|
||||
transform_move(camera->base->transform, camera_object_look(camera), f);
|
||||
}
|
||||
|
||||
if (mouse_wheel_delta != 0 && !modif_key) {
|
||||
camera_redraws = 2;
|
||||
f32 f = mouse_wheel_delta * (-0.2) * ((camera_distance() / 4.0));
|
||||
f *= camera_get_zoom_speed();
|
||||
transform_move(camera->base->transform, camera_object_look(camera), f);
|
||||
}
|
||||
camera_zoom_action(modif_key);
|
||||
}
|
||||
else if (controls == CAMERA_CONTROLS_FLY && mouse_down("right")) {
|
||||
bool move_forward = keyboard_down("w") || keyboard_down("up") || mouse_wheel_delta < 0;
|
||||
bool move_backward = keyboard_down("s") || keyboard_down("down") || mouse_wheel_delta > 0;
|
||||
bool strafe_left = keyboard_down("a") || keyboard_down("left");
|
||||
bool strafe_right = keyboard_down("d") || keyboard_down("right");
|
||||
bool strafe_up = keyboard_down("e");
|
||||
bool strafe_down = keyboard_down("q");
|
||||
f32 fast = keyboard_down("shift") ? 2.0 : (keyboard_down("alt") ? 0.5 : 1.0);
|
||||
if (mouse_wheel_delta != 0) {
|
||||
fast *= math_abs(mouse_wheel_delta) * 4.0;
|
||||
}
|
||||
|
||||
if (move_forward || move_backward || strafe_right || strafe_left || strafe_up || strafe_down) {
|
||||
camera_ease += sys_delta() * 15;
|
||||
if (camera_ease > 1.0) {
|
||||
camera_ease = 1.0;
|
||||
}
|
||||
camera_dir = vec4_create(0, 0, 0, 1.0);
|
||||
vec4_t look = camera_object_look(camera);
|
||||
vec4_t right = camera_object_right(camera);
|
||||
if (move_forward) {
|
||||
camera_dir = vec4_fadd(camera_dir, look.x, look.y, look.z, 0.0);
|
||||
}
|
||||
if (move_backward) {
|
||||
camera_dir = vec4_fadd(camera_dir, -look.x, -look.y, -look.z, 0.0);
|
||||
}
|
||||
if (strafe_right) {
|
||||
camera_dir = vec4_fadd(camera_dir, right.x, right.y, right.z, 0.0);
|
||||
}
|
||||
if (strafe_left) {
|
||||
camera_dir = vec4_fadd(camera_dir, -right.x, -right.y, -right.z, 0.0);
|
||||
}
|
||||
if (strafe_up) {
|
||||
camera_dir = vec4_fadd(camera_dir, 0, 0, 1, 0.0);
|
||||
}
|
||||
if (strafe_down) {
|
||||
camera_dir = vec4_fadd(camera_dir, 0, 0, -1, 0.0);
|
||||
}
|
||||
}
|
||||
else {
|
||||
camera_ease -= sys_delta() * 20.0 * camera_ease;
|
||||
if (camera_ease < 0.0) {
|
||||
camera_ease = 0.0;
|
||||
}
|
||||
}
|
||||
|
||||
f32 d = sys_delta() * fast * camera_ease * 2.0 * ((move_forward || move_backward) ? config_raw->camera_zoom_speed : config_raw->camera_pan_speed);
|
||||
if (d > 0.0) {
|
||||
transform_move(camera->base->transform, camera_dir, d);
|
||||
if (context_raw->camera_type == CAMERA_TYPE_ORTHOGRAPHIC) {
|
||||
viewport_update_camera_type(context_raw->camera_type);
|
||||
}
|
||||
}
|
||||
|
||||
camera_redraws = 2;
|
||||
transform_rotate(camera->base->transform, vec4_z_axis(), -mouse_movement_x / 200.0 * config_raw->camera_rotation_speed);
|
||||
transform_rotate(camera->base->transform, camera_object_right(camera), -mouse_movement_y / 200.0 * config_raw->camera_rotation_speed);
|
||||
camera_fly_action(modif_key);
|
||||
}
|
||||
|
||||
if (operator_shortcut(any_map_get(config_keymap, "view_pivot_center"), SHORTCUT_TYPE_STARTED)) {
|
||||
@@ -228,7 +344,7 @@ void camera_reset(i32 view_index) {
|
||||
camera_views->buffer[view_index]->v = mat4_clone(camera->base->transform->local);
|
||||
}
|
||||
|
||||
#ifdef IRON_IOS
|
||||
#ifdef IRON_IOS
|
||||
if (config_is_iphone()) {
|
||||
viewport_zoom(-2.8);
|
||||
vec4_t right = vec4_mult(transform_right(camera->base->transform), -0.135);
|
||||
@@ -236,7 +352,7 @@ void camera_reset(i32 view_index) {
|
||||
camera_origins->buffer[camera_index()]->v = vec4_add(camera_origins->buffer[camera_index()]->v, right);
|
||||
camera_object_build_mat(camera);
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
}
|
||||
|
||||
void camera_pan_action(bool modif, bool default_keymap) {
|
||||
@@ -269,10 +385,10 @@ void camera_set_pivot_center_to_mouse() {
|
||||
return;
|
||||
}
|
||||
|
||||
vec4_box_t *o = camera_origins->buffer[camera_index()];
|
||||
o->v.x = context_raw->posx_picked;
|
||||
o->v.y = context_raw->posy_picked;
|
||||
o->v.z = context_raw->posz_picked;
|
||||
vec4_box_t *o = camera_origins->buffer[camera_index()];
|
||||
o->v.x = context_raw->posx_picked;
|
||||
o->v.y = context_raw->posy_picked;
|
||||
o->v.z = context_raw->posz_picked;
|
||||
|
||||
camera_redraws = 2;
|
||||
camera_object_t *camera = scene_camera;
|
||||
|
||||
Reference in New Issue
Block a user