105 lines
1.8 KiB
C
105 lines
1.8 KiB
C
#include <stddef.h>
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#include <raylib.h>
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#include <stdio.h>
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#include "objects.h"
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struct global {
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const int scwidth, scheight;
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int fps;
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object *objs[128];
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size_t obj_count;
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double terminal_yv;
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};
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struct global gl = {1600, 900, 60, {}, 0, -20};
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void addobj(object *obj)
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{
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gl.objs[gl.obj_count++] = obj;
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}
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void drawobjs()
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{
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for (int i = 0; i < gl.obj_count; i++)
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{
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object *obj = gl.objs[i];
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DrawSphere(obj->pos, obj->r, obj->color);
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}
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}
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void updateobjs()
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{
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for (int i = 0; i < gl.obj_count; i++)
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{
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object *obj = gl.objs[i];
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obj->vel.y -= 9.81 * GetFrameTime();
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if (obj->vel.y < gl.terminal_yv)
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{
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obj->vel.y = gl.terminal_yv;
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}
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if (obj->pos.y < obj->r) {
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obj->pos.y = obj->r;
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obj->vel.y *= -obj->restitution;
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}
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obj->pos.x += obj->vel.x * GetFrameTime();
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obj->pos.y += obj->vel.y * GetFrameTime();
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obj->pos.z += obj->vel.z * GetFrameTime();
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}
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}
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void freeobjs()
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{
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for (int i = 0; i < gl.obj_count; i++)
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{
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object *obj = gl.objs[i];
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free(obj);
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}
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}
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void applyforce()
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{
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for (int i = 0; i < gl.obj_count; i++)
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{
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object *obj = gl.objs[i];
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obj->vel.x += 1;
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}
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}
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int main(void) {
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InitWindow(gl.scwidth, gl.scheight, "raylib engine");
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SetTargetFPS(gl.fps);
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addobj(newobj((Vector3){0, 30, 0}, 2, RED, 0.5));
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addobj(newobj((Vector3){5, 2, 0}, 1, BLUE, 1));
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Camera3D camera = {{0, 20, -30}, {0, 0, 0}, {0, 1, 0}, 45, CAMERA_PERSPECTIVE};
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while(!WindowShouldClose())
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{
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UpdateCamera(&camera, CAMERA_FREE);
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BeginDrawing();
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{
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ClearBackground(BLACK);
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BeginMode3D(camera);
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DrawPlane((Vector3){0, 0, 0}, (Vector2){100, 100}, GRAY);
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updateobjs();
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drawobjs();
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if (IsKeyPressed(KEY_L)) {
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applyforce();
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}
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EndMode3D();
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}
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EndDrawing();
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}
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freeobjs();
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CloseWindow();
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return 0;
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}
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