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Polygon 2d colliders

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This commit is contained in:
John Alanbrook
2023-02-18 04:32:23 +00:00
parent a401dbb9d4
commit b4734bba37
3 changed files with 19 additions and 14 deletions
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14
source/engine/2dphysics.c
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@@ -317,6 +317,7 @@ struct phys2d_poly *Make2DPoly(int go)
{
struct phys2d_poly *new = malloc(sizeof(struct phys2d_poly));
new->points = NULL;
arrsetlen(new->points, 0);
new->radius = 0.f;
@@ -337,12 +338,9 @@ void phys2d_polyaddvert(struct phys2d_poly *poly)
arrput(poly->points, cpvzero);
}
void poly_gui(struct phys2d_poly *poly)
{
}
void phys2d_poly_setverts(struct phys2d_poly *poly, cpVect *verts)
{
if (!verts) return;
arrfree(poly->points);
poly->points = verts;
phys2d_applypoly(poly);
@@ -366,13 +364,7 @@ void phys2d_dbgdrawpoly(struct phys2d_poly *poly)
cpVect b = cpBodyGetPosition(cpShapeGetBody(poly->shape.shape));
float angle = cpBodyGetAngle(cpShapeGetBody(poly->shape.shape));
float s = id2go(poly->shape.go)->scale;
for (int i = 0; i < n; i++) {
float d = sqrt(pow(poly->points[i * 2].x * s, 2.f) + pow(poly->points[i * 2].y* s, 2.f));
float a = atan2(poly->points[i * 2].y, poly->points[i * 2].x) + angle;
draw_point(b.x + d * cos(a), b.y + d * sin(a), 3, color);
}
if (arrlen(poly->points) >= 3) {
int n = cpPolyShapeGetCount(poly->shape.shape);
@@ -519,7 +511,7 @@ void phys2d_dbgdrawedge(struct phys2d_edge *edge)
drawpoints[i].y = p.y + d*sin(a);
}
draw_edge(drawpoints, arrlen(edge->points), trigger_color, edge->thickness*2);
draw_edge(drawpoints, arrlen(edge->points), shape_color(edge->shapes[0]), edge->thickness*2);
draw_points(drawpoints, arrlen(edge->points), 2, kinematic_color);
}