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Added delta timestep to 2d simulation

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This commit is contained in:
n00b
2024-12-01 00:15:41 -05:00
parent f008cf839b
commit cfad58b99c
12 changed files with 1083 additions and 537 deletions
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3
rcbasic_build/main.cpp
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@@ -919,7 +919,8 @@ int main(int argc, char * argv[])
bool clean_after_build = false; bool clean_after_build = false;
//DEBUG START //DEBUG START
rc_filename = "/home/n00b/projects/bu/constraint_demo/main.bas"; //rc_filename = "/home/n00b/projects/bu/constraint_demo/main.bas";
rc_filename = "/home/n00b/projects/rcbasic_alpha3/test_project/main.bas";
//DEBUG END //DEBUG END
//enable_presets = true; //enable_presets = true;

1398
rcbasic_build/main.rc_asm
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File diff suppressed because it is too large Load Diff

88
rcbasic_build/main.rc_data
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@@ -1,33 +1,59 @@
10 9
6
0
18446744073709551581
0
0
1
76
5
2 2
0
18446744073709551590
0
0
0
48 48
3 main.#FOR:0 6831 0
2 main.#NEXT:0 7045 0
22 main.#WHILE:0 9865 0
cam_control 0 1 ELSE:0->CONDITION:0 10064 0
ELSE:0->CONDITION:0 285 1 ELSE:0->CONDITION:1 10176 0
ELSE:0->CONDITION:1 517 1 ENDIF:0 10176 0
ENDIF:0 517 1 SELECT:0->CASE:0 10220 0
ELSE:1->CONDITION:0 758 1 ELSE:1->CONDITION:0 10504 0
ELSE:1->CONDITION:1 990 1 ELSE:1->CONDITION:1 10650 0
ENDIF:1 990 1 ENDIF:1 10650 0
ELSE:2->CONDITION:0 1412 1 ELSE:2->CONDITION:0 10805 0
ELSE:2->CONDITION:1 1825 1 ELSE:2->CONDITION:1 10951 0
ENDIF:2 1825 1 ENDIF:2 10951 0
ELSE:3->CONDITION:0 2066 1 ELSE:3->CONDITION:0 11079 0
ELSE:3->CONDITION:1 2298 1 ENDIF:3 11079 0
ENDIF:3 2298 1 ELSE:4->CONDITION:0 11207 0
ELSE:4->CONDITION:0 2942 1 ENDIF:4 11207 0
ELSE:4->CONDITION:1 3355 1 ELSE:5->CONDITION:0 11559 0
ENDIF:4 3355 1 ELSE:5->CONDITION:1 11791 0
main.#WHILE:0 4664 0 ENDIF:5 11791 0
main.#WEND:0 4802 0 ELSE:6->CONDITION:0 12032 0
main.#WHILE:1 4802 0 ELSE:6->CONDITION:1 12264 0
ELSE:5->CONDITION:0 5001 0 ENDIF:6 12264 0
ENDIF:5 5001 0 ELSE:7->CONDITION:0 12659 0
main.#WEND:1 5885 0 ELSE:7->CONDITION:1 13045 0
ENDIF:7 13045 0
ELSE:8->CONDITION:0 13286 0
ELSE:8->CONDITION:1 13518 0
ENDIF:8 13518 0
ELSE:9->CONDITION:0 14135 0
ELSE:9->CONDITION:1 14521 0
ENDIF:9 14521 0
ELSE:10->CONDITION:0 14744 0
ENDIF:10 14744 0
ELSE:11->CONDITION:0 14967 0
ENDIF:11 14967 0
ELSE:12->CONDITION:0 15190 0
ENDIF:12 15190 0
SELECT:0->CASE:1 15199 0
ELSE:13->CONDITION:0 15483 0
ELSE:13->CONDITION:1 15595 0
ENDIF:13 15595 0
ELSE:14->CONDITION:0 15750 0
ELSE:14->CONDITION:1 15862 0
ENDIF:14 15862 0
SELECT:0->CASE:2 15973 0
SELECT:0->END 15973 0
main.#WEND:0 16000 0

BIN
rcbasic_build/main_str_data.sdata
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2
rcbasic_build/rcbasic.dbgi
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@@ -1 +1 @@
/home/n00b/projects/bu/constraint_demo/main.bas /home/n00b/projects/rcbasic_alpha3/test_project/main.bas

102
rcbasic_build/rcbasic.dbgs
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@@ -1,36 +1,66 @@
N main.cam_control cam_canvas 12 N main w 12
N main.cam_control current_canvas 13 N main h 13
N main.cam_control.#IF:2 crx 14 N main canvas2 14
N main.cam_control.#IF:2 cry 15 N main canvas1 15
N main.cam_control.#IF:2 crz 16 N main yellow 16
N main.cam_control.#ELSE:2->CONDITION:0 crx 17 N main darkyellow 17
N main.cam_control.#ELSE:2->CONDITION:0 cry 18 N main magenta 18
N main.cam_control.#ELSE:2->CONDITION:0 crz 19 N main cyan 19
N main.cam_control.#IF:4 crx 20 N main red 20
N main.cam_control.#IF:4 cry 21 N main grey 21
N main.cam_control.#IF:4 crz 22 N main blue 22
N main.cam_control.#ELSE:4->CONDITION:0 crx 23 N main darkblue 23
N main.cam_control.#ELSE:4->CONDITION:0 cry 24 N main orange 24
N main.cam_control.#ELSE:4->CONDITION:0 crz 25 N main black 25
N main window_width 26 N main green 26
N main window_height 27 N main white 27
N main fullscreen 28 N main sprite_canvas 28
N main vsync 29 N main gz_img 29
N main scene_canvas 30 N main rc_img 30
N main ui_canvas 31 N main rc 31
N main ground 32 N main gz 32
N main ground_material 33 N main gz_x 33
N main ground2 34 N main gz_y 34
N main ground2_material 35 N main rc_x 35
N main sphere 36 N main rc_y 36
N main sphere_material 37 N main x 37
N main sphere_gx 38 N main y 38
N main sphere_gy 39 N main lforce 39
N main sphere_gz 40 S main fnt$ 3
N main ground_sphere_constraint 41 N main hud_font 40
N main t 42 AS main hud_txt$ 4
N main.#WHILE:1 sx 43 N main.#FOR:0 i 41
N main.#WHILE:1 sy 44 N main mesh1 42
N main.#WHILE:1 sz 45 N main actor1 43
N main.#WHILE:1 vx 46 N main actor1_texture 44
N main.#WHILE:1 vy 47 N main c 45
N main mat 46
N main a_mat 47
N main level 48
N main actor2 49
N main ax 50
N main ay 51
N main az 52
N main init 53
N main i 54
N main vx 55
N main vy 56
N main vz 57
N main mass 58
N main anim 59
N main num_loops 60
N main off_x 61
N main off_y 62
N main test_mode 63
N main.#WHILE:0.#SELECT:0->CASE:0.#IF:7 crx 64
N main.#WHILE:0.#SELECT:0->CASE:0.#IF:7 cry 65
N main.#WHILE:0.#SELECT:0->CASE:0.#IF:7 crz 66
N main.#WHILE:0.#SELECT:0->CASE:0.#ELSE:7->CONDITION:0 crx 67
N main.#WHILE:0.#SELECT:0->CASE:0.#ELSE:7->CONDITION:0 cry 68
N main.#WHILE:0.#SELECT:0->CASE:0.#ELSE:7->CONDITION:0 crz 69
N main.#WHILE:0.#SELECT:0->CASE:0.#IF:9 crx 70
N main.#WHILE:0.#SELECT:0->CASE:0.#IF:9 cry 71
N main.#WHILE:0.#SELECT:0->CASE:0.#IF:9 crz 72
N main.#WHILE:0.#SELECT:0->CASE:0.#ELSE:9->CONDITION:0 crx 73
N main.#WHILE:0.#SELECT:0->CASE:0.#ELSE:9->CONDITION:0 cry 74
N main.#WHILE:0.#SELECT:0->CASE:0.#ELSE:9->CONDITION:0 crz 75

2
rcbasic_build/rcbasic_build.depend
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@@ -1,5 +1,5 @@
# depslib dependency file v1.0 # depslib dependency file v1.0
1733023376 source:/home/n00b/Projects/RCBASIC4/rcbasic_build/main.cpp 1733028438 source:/home/n00b/Projects/RCBASIC4/rcbasic_build/main.cpp
<iostream> <iostream>
<stack> <stack>
<vector> <vector>

4
rcbasic_runtime/main.cpp
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@@ -4446,8 +4446,8 @@ int main(int argc, char * argv[])
std::cin >> debug_opt; std::cin >> debug_opt;
if(debug_opt.compare("a")==0) if(debug_opt.compare("a")==0)
{ {
rc_intern_dirChange("/home/n00b/projects/bu/rcbasic_v400a5_linux/test_project_v4a5"); rc_intern_dirChange("/home/n00b/projects/rcbasic_alpha3/test_project");
rc_filename = "test.cbc"; rc_filename = "main.cbc";
} }
else else
{ {

7
rcbasic_runtime/rc_gfx.h
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@@ -946,7 +946,8 @@ int rc_canvasOpen(int w, int h, int vx, int vy, int vw, int vh, int mode, int ca
{ {
b2Vec2 gravity(0, 0); b2Vec2 gravity(0, 0);
canvas.physics2D.world = new b2World(gravity); canvas.physics2D.world = new b2World(gravity);
canvas.physics2D.timeStep = 1/60.0; //the length of time passed to simulate (seconds) canvas.physics2D.timeStep = -1; //the length of time passed to simulate (seconds)
canvas.physics2D.time_stamp = SDL_GetTicks();
canvas.physics2D.velocityIterations = 8; //how strongly to correct velocity canvas.physics2D.velocityIterations = 8; //how strongly to correct velocity
canvas.physics2D.positionIterations = 3; //how strongly to correct position canvas.physics2D.positionIterations = 3; //how strongly to correct position
canvas.physics2D.enabled = true; canvas.physics2D.enabled = true;
@@ -3056,7 +3057,9 @@ void rc_preUpdate()
if(rc_canvas[i].type != RC_CANVAS_TYPE_SPRITE) if(rc_canvas[i].type != RC_CANVAS_TYPE_SPRITE)
continue; continue;
float step = rc_canvas[i].physics2D.timeStep; Uint32 delta_time = SDL_GetTicks() - rc_canvas[i].physics2D.time_stamp;
rc_canvas[i].physics2D.time_stamp = SDL_GetTicks();
float step = rc_canvas[i].physics2D.timeStep < 0 ? (delta_time*0.001f) : rc_canvas[i].physics2D.timeStep;
int32 velocityIterations = rc_canvas[i].physics2D.velocityIterations; int32 velocityIterations = rc_canvas[i].physics2D.velocityIterations;
int32 positionIterations = rc_canvas[i].physics2D.positionIterations; int32 positionIterations = rc_canvas[i].physics2D.positionIterations;

2
rcbasic_runtime/rc_gfx_core.h
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@@ -307,7 +307,7 @@ struct rc_physicsWorld2D_obj
b2World* world; b2World* world;
rc_contactListener_obj* contact_listener; rc_contactListener_obj* contact_listener;
float time_stamp; Uint32 time_stamp;
float timeStep = 1/60.0; //the length of time passed to simulate (seconds) float timeStep = 1/60.0; //the length of time passed to simulate (seconds)
int velocityIterations = 8; //how strongly to correct velocity int velocityIterations = 8; //how strongly to correct velocity
int positionIterations = 3; //how strongly to correct position int positionIterations = 3; //how strongly to correct position

4
rcbasic_runtime/rc_spritelib.h
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@@ -804,7 +804,9 @@ bool rc_spriteIsVisible(int spr_id)
//This function is called on each canvas on update //This function is called on each canvas on update
void drawSprites(int canvas_id) void drawSprites(int canvas_id)
{ {
float step = rc_canvas[canvas_id].physics2D.timeStep; Uint32 delta_time = SDL_GetTicks() - rc_canvas[canvas_id].physics2D.time_stamp;
rc_canvas[canvas_id].physics2D.time_stamp = SDL_GetTicks();
float step = rc_canvas[canvas_id].physics2D.timeStep < 0 ? (delta_time*0.001f) : rc_canvas[canvas_id].physics2D.timeStep;
int32 velocityIterations = rc_canvas[canvas_id].physics2D.velocityIterations; int32 velocityIterations = rc_canvas[canvas_id].physics2D.velocityIterations;
int32 positionIterations = rc_canvas[canvas_id].physics2D.positionIterations; int32 positionIterations = rc_canvas[canvas_id].physics2D.positionIterations;

8
rcbasic_runtime/rcbasic_runtime.depend
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@@ -1,5 +1,5 @@
# depslib dependency file v1.0 # depslib dependency file v1.0
1733023264 source:/home/n00b/Projects/RCBASIC4/rcbasic_runtime/main.cpp 1733028476 source:/home/n00b/Projects/RCBASIC4/rcbasic_runtime/main.cpp
"rc_os_defines.h" "rc_os_defines.h"
<emscripten.h> <emscripten.h>
<sys/param.h> <sys/param.h>
@@ -1247,7 +1247,7 @@
1727545973 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/RealisticWater.h 1727545973 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/RealisticWater.h
<irrlicht.h> <irrlicht.h>
1733027113 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_gfx.h 1733028476 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_gfx.h
"SDL.h" "SDL.h"
<SDL2/SDL.h> <SDL2/SDL.h>
<irrlicht.h> <irrlicht.h>
@@ -1271,7 +1271,7 @@
"rc_joints.h" "rc_joints.h"
<irrtheora.h> <irrtheora.h>
1733027113 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_gfx_core.h 1733028476 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_gfx_core.h
"SDL.h" "SDL.h"
"btBulletDynamicsCommon.h" "btBulletDynamicsCommon.h"
"BulletSoftBody/btSoftRigidDynamicsWorld.h" "BulletSoftBody/btSoftRigidDynamicsWorld.h"
@@ -2487,7 +2487,7 @@
<irrlicht.h> <irrlicht.h>
<cmath> <cmath>
1731722537 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_spritelib.h 1733028518 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_spritelib.h
"SDL.h" "SDL.h"
<SDL2/SDL.h> <SDL2/SDL.h>
"rc_sprite2D.h" "rc_sprite2D.h"