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control mode for objects (view space or object space)

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This commit is contained in:
TFLCL
2026-07-04 11:53:09 +02:00
parent 61c7a29113
commit 565d4c31f4
2 changed files with 60 additions and 19 deletions
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27
help/tc.controller_demo.maxhelp
View File

@@ -9,9 +9,20 @@
"modernui": 1
},
"classnamespace": "box",
"rect": [ 334.0, 100.0, 1444.0, 848.0 ],
"rect": [ 131.0, 100.0, 1444.0, 848.0 ],
"integercoordinates": 1,
"boxes": [
{
"box": {
"id": "obj-9",
"maxclass": "message",
"numinlets": 2,
"numoutlets": 1,
"outlettype": [ "" ],
"patching_rect": [ 361.0, 405.0, 75.0, 22.0 ],
"text": "camera cam"
}
},
{
"box": {
"id": "obj-21",
@@ -1855,7 +1866,7 @@
{
"box": {
"id": "obj-56",
"items": "<empty>",
"items": [ "jit.gl.gridshape", "torus", ",", "jit.gl.plato", "plato", ",", "jit.gl.gridshape", "plane", ",", "jit.gl.light", "u034001065", ",", "jit.gl.model", "model" ],
"maxclass": "umenu",
"numinlets": 1,
"numoutlets": 3,
@@ -2461,8 +2472,8 @@
"maxclass": "comment",
"numinlets": 1,
"numoutlets": 0,
"patching_rect": [ 444.0, 987.0, 567.0, 114.0 ],
"text": "TODO:\n- use worldtolocal anim.node feature instead of manually calculating transform matrix?\n- better object rotation logic?\n- other ideas?\n\nWHAT DOESN'T WORK\n- using the implicit anim node of a jit.gl.camera doesn't work (need to declare an explicit anim node)\n- controlling a skybox doesn't work although it's technically possible and works when done manually"
"patching_rect": [ 612.0, 834.0, 567.0, 114.0 ],
"text": "TODO:\n- use worldtolocal anim.node feature instead of manually calculating transform matrix?\n- better object rotation logic?\n- other ideas?\n\nWHAT DOESN'T WORK\n- using the implicit anim node of a jit.gl.camera doesn't work (need to create an anim.node for it)\n- controlling a skybox doesn't work although it's technically possible and works when done manually"
}
},
{
@@ -2497,7 +2508,7 @@
"numoutlets": 1,
"outlettype": [ "" ],
"patching_rect": [ 53.0, 647.0, 222.0, 22.0 ],
"text": "control torus u787003285"
"text": "control u998010725 u998010725"
}
},
{
@@ -2757,6 +2768,12 @@
"destination": [ "obj-109", 0 ],
"source": [ "obj-7", 0 ]
}
},
{
"patchline": {
"destination": [ "obj-109", 0 ],
"source": [ "obj-9", 0 ]
}
}
],
"autosave": 0

44
javascript/tc.controller.js
View File

@@ -55,6 +55,15 @@ declareattribute({
default: 0,
});
var controlmode = 0;
declareattribute({
name: "controlmode",
setter: "set_controlmode",
style: "enumindex",
enumvals: ["View space", "Object space"],
label: "Control Mode",
})
var show_bounds = 1;
declareattribute({
name: "show_bounds",
@@ -96,7 +105,7 @@ class Controller {
this.ease = 0.1; // anim.drive easing
this.flymode = false;
this.flymode_applyed = false; // Flag
this.control_mode; // 'cam' if the camera is the target, 'obj' otherwise
this.control_obj_type; // 'cam' if the camera is the target, 'obj' otherwise
this.world_up = [0, 1, 0];
this.camera_target = {
@@ -139,7 +148,7 @@ class Controller {
}
// Taking control over a new target
control(obj_name, ctrl_mode) {
control(obj_name, obj_type) {
if (!this.camera_target.name) {
error("No camera defined. Cannot control object.\n");
return false;
@@ -154,7 +163,7 @@ class Controller {
new_target != undefined &&
(this.target.name != "" || this.target.name != new_target)
) {
this.control_mode = ctrl_mode;
this.control_obj_type = obj_type;
if (this.target.name != "") {
const transform = this.target.send("getworldtransform"); // Get the current targets tranfsorm,
@@ -176,23 +185,28 @@ class Controller {
this.target.send("anim", this.pitch_node.name);
// Apply specific rules depending on if controlling the camera or an object
if (this.control_mode == "cam") {
if (this.control_obj_type == "cam") {
// If this.camera() is set before the jit.world starts, there is a chance that camera_node is bound to the wrong node.
// this.camera(this.camera_target.name);
this.main_node.movemode = "local";
this.main_node.turnmode = "local";
this.pitch_node.turnmode = "parent";
this.has_rotated = false;
this.set_flymode(this.flymode);
} else {
this.flymode_applyed = false;
// When controlling an object, we convert the translation vector
// from screen space to world space in this.move
// So we need the cam base matrix
if (controlmode == 0) {
this.main_node.movemode = "world";
this.main_node.turnmode = "world";
this.pitch_node.turnmode = "world";
this.get_cam_base_matrix();
} else {
this.main_node.movemode = "local";
this.main_node.turnmode = "local";
this.pitch_node.turnmode = "parent";
}
}
// No target
@@ -286,7 +300,7 @@ class Controller {
move(x, y, z) {
let translat_vec = [x, y, z];
if (this.control_mode == "obj") {
if (this.control_obj_type == "obj" && controlmode == 0) {
let cam_x_rot = this.camera_node.send("getrotatexyz")[0];
// Inverse translation direction if cam is upside down
if (cam_x_rot < -90 || cam_x_rot > 90) {
@@ -300,11 +314,11 @@ class Controller {
turn(x, y, z) {
let rot_vec = [x, y, z];
if (this.control_mode == "obj") {
if (this.control_obj_type == "obj") {
rot_vec = multiplyMatrixVector(this.camera_base_matrix, [-x, 0, 0]);
rot_vec[1] = -y;
}
if (this.flymode && this.control_mode == "cam") {
if (this.flymode && this.control_obj_type == "cam") {
// When flymode is enabled, we apply all rotations to the main_node
// so that the cam can move toward the direction it is pointing to
this.main_drive.turn(rot_vec[0], rot_vec[1], 0);
@@ -331,7 +345,7 @@ class Controller {
}
apply_flymode() {
if (this.control_mode == "cam") {
if (this.control_obj_type == "cam") {
if (this.flymode) {
// When enabling flymode, we move all rotations to main_node
this.main_node.rotatexyz = [
@@ -370,7 +384,7 @@ class Controller {
resync() {
if (this.target.name != "") {
this.control(this.target.name, this.control_mode);
this.control(this.target.name, this.control_obj_type);
}
}
@@ -477,17 +491,27 @@ function set_ease(v) {
ctlr.set_ease(v);
ease = v;
}
set_ease.local = 1;
function set_flymode(v) {
flymode = v == undefined ? !flymode : v == 1; // If flymode with no argument is provided, act as a toggle
ctlr.set_flymode(flymode);
}
set_flymode.local = 1;
function set_show_bounds(v) {
show_bounds = v == true;
// ctlr.show_bounds = show_bounds;
do_show_bounds(show_bounds);
}
set_show_bounds.local = 1;
function set_controlmode(v) {
const new_val = v > 0 ? 1 : 0;
if (controlmode === new_val) return;
controlmode = new_val;
ctlr.control(ctlr.target.name, ctlr.control_obj_type);
}
function do_show_bounds(v) {
const objects_without_bounds = [