uan/simple_physics
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non mi ricordo nemmeno io che cosa ho aggiunto

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uan
2025-12-25 15:18:06 +01:00
parent e4c77ed5e2
commit 930330d024
3 changed files with 17 additions and 13 deletions
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18
main.c
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@@ -2,6 +2,7 @@
#include <raylib.h>
#include <raymath.h>
#include <stdio.h>
#include <stdlib.h>
#include "objects.h"
struct global {
@@ -10,9 +11,10 @@ struct global {
object *objs[128];
size_t obj_count;
double terminal_v;
double friction;
};
struct global gl = {1600, 900, 144, {}, 0, 15};
struct global gl = {1600, 900, 144, {}, 0, 15, 0.001};
void addobj(object *obj)
{
@@ -25,6 +27,8 @@ void drawobjs()
{
object *obj = gl.objs[i];
DrawSphere(obj->pos, obj->r, obj->color);
DrawSphereWires(obj->pos, obj->r, 16, 16, ColorBrightness(obj->color, -0.5f));
DrawLine3D(obj->pos, Vector3Add(obj->pos, obj->vel), PURPLE);
}
}
@@ -59,7 +63,7 @@ void updateobjs()
{
obj->vel = Vector3Scale(obj->vel, 1.0f/ratio_speed_to_terminal);
}
DrawLine3D(obj->pos, Vector3Add(obj->pos, obj->vel), GREEN);
obj->vel = Vector3Scale(obj->vel, (1.0f-gl.friction));
obj->pos = Vector3Add(obj->pos, Vector3Scale(obj->vel, GetFrameTime()));
}
}
@@ -78,18 +82,18 @@ int main(void) {
InitWindow(gl.scwidth, gl.scheight, "raylib engine");
SetTargetFPS(gl.fps);
addobj(newobj((Vector3){0, 20, 0}, 1, RED, 1, 1000));
addobj(newobj((Vector3){8, 20, 0}, 2, BLUE, 1, 2000));
gl.objs[1]->vel = (Vector3){0, 0, 0};
Camera3D camera = {{0, 20, -30}, {0, 0, 0}, {0, 1, 0}, 45, CAMERA_PERSPECTIVE};
addobj(newobj((Vector3){10, 40, 0}, 2, BLUE, 1, 200000));
addobj(newobj((Vector3){50, 20, 0}, 5, RAYWHITE, 0., 5000000));
Camera3D camera = {{0, 20, 10}, {0, 20, 0}, {0, 1, 0}, 50, CAMERA_PERSPECTIVE};
DisableCursor();
SetWindowMonitor(0);
while(!WindowShouldClose())
{
UpdateCamera(&camera, CAMERA_FREE);
BeginDrawing();
{
UpdateCamera(&camera, CAMERA_FREE);
ClearBackground(BLACK);
BeginMode3D(camera);
DrawPlane((Vector3){0, 0, 0}, (Vector2){500, 500}, RAYWHITE);