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Joints

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SamratGhale
2026-03-12 12:54:13 +05:45
parent d23c934662
commit 8ed94fac32
4 changed files with 222 additions and 28 deletions
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interface.odin
+44 -20
View File
@@ -1,16 +1,18 @@
package ion
import "base:runtime"
import "core:slice"
import "core:container/small_array"
import "core:fmt"
import im "shared:odin-imgui"
import "vendor:glfw"
import b2 "vendor:box2d"
/*
This library will only account for box2d's entities editing
It only deals with one world_id, which means typically one level
All the interface follows a pattern
i.e. It takes interface_state pointer and returns a boolean indicating weather the world needs to be reloaded
*/
EditMode :: enum
@@ -18,23 +20,23 @@ EditMode :: enum
ENTITY,
VERTICES,
OVERVIEW,
JOINT,
}
interface_state :: struct
{
entity_defs: [dynamic]^engine_entity_def,
entities: [dynamic]^engine_entity,
selected_entity: ^i32,
world: ^engine_world,
state: ^engine_state,
entity_defs : [dynamic]^engine_entity_def,
entities : [dynamic]^engine_entity,
selected_entity : ^i32,
world : ^engine_world,
state : ^engine_state,
vertex_index : ^i32,
edit_mode : EditMode,
curr_revolt_joint : revolt_joint_def,
curr_joint_joint : distance_joint_def,
curr_joint_index : i32,
curr_joint_type : b2.JointType,
curr_static_index : static_index_global,
}
@@ -251,15 +253,15 @@ interface_edit_static_index :: proc(interface:^interface_state, def: ^engine_ent
return false
}
/*
interface_edit_revolute_joint :: proc(interface: ^interface_state) -> bool
{
//Select static index and then get bodyId from it
//If chain shapre then allow choosing index
level := interface.world
joint_def := &interface.curr_revolt_joint
joint_def := interface.curr_revolt_joint
if im.BeginCombo("Index A", fmt.ctprint(joint_def.entity_a))
{
@@ -317,13 +319,14 @@ interface_edit_revolute_joint :: proc(interface: ^interface_state) -> bool
if im.Button("Add joint")
{
append(&level.revolute_joint_defs, interface.curr_revolt_joint)
//append(&level.revolute_joint_defs, interface.curr_revolt_joint)
return true
}
return false
}
*/
interface_entity :: proc(interface: ^interface_state) -> bool
@@ -333,14 +336,14 @@ interface_entity :: proc(interface: ^interface_state) -> bool
if entity_selected
{
def := interface.entity_defs[interface.selected_entity^]
def := interface.entity_defs[interface.selected_entity^]
def_old := def^
ret := false
if im.BeginTabItem("Entity", nil, {.Leading})
{
interface.edit_mode = .ENTITY
//Flags
for flag in engine_entity_flags_enum
{
@@ -375,12 +378,26 @@ interface_entity :: proc(interface: ^interface_state) -> bool
if im.BeginTabItem("Joints", nil , {})
{
if im.CollapsingHeader("Revolute Joints")
interface.edit_mode = .JOINT
if im.BeginCombo("Joint type", fmt.ctprint(interface.curr_joint_type))
{
for type in b2.JointType
{
if im.Selectable(fmt.ctprint(type), type == interface.curr_joint_type) do interface.curr_joint_type = type
}
im.EndCombo()
}
if interface.curr_joint_type == .distanceJoint
{
ret |= interface_edit_distance_joint(interface)
}
if interface.curr_joint_type == .revoluteJoint
{
ret |= interface_edit_revolute_joint(interface)
}
im.EndTabItem()
}
@@ -407,3 +424,10 @@ interface_all :: proc(interface: ^interface_state) -> bool
im.End()
return ret
}