Function Particle_DoRender

src/Particle.c:28–45

typedef cc_bool (*CanPassThroughFunc)(BlockID b);

void Particle_DoRender(const Vec2* size, const Vec3* pos, const TextureRec* rec, PackedCol col, struct VertexTextured* v) {
	struct Matrix* view;
	float sX, sY;
	Vec3 centre;
	float aX, aY, aZ, bX, bY, bZ;

	sX = size->x * 0.5f; sY = size->y * 0.5f;
	centre = *pos; centre.y += sY;
	view   = &Gfx.View;
	
	aX = view->row1.x * sX; aY = view->row2.x * sX; aZ = view->row3.x * sX; /* right * size.x * 0.5f */
	bX = view->row1.y * sY; bY = view->row2.y * sY; bZ = view->row3.y * sY; /* up    * size.y * 0.5f */

	v->x = centre.x - aX - bX; v->y = centre.y - aY - bY; v->z = centre.z - aZ - bZ; v->Col = col; v->U = rec->u1; v->V = rec->v2; v++;
	v->x = centre.x - aX + bX; v->y = centre.y - aY + bY; v->z = centre.z - aZ + bZ; v->Col = col; v->U = rec->u1; v->V = rec->v1; v++;
	v->x = centre.x + aX + bX; v->y = centre.y + aY + bY; v->z = centre.z + aZ + bZ; v->Col = col; v->U = rec->u2; v->V = rec->v1; v++;
	v->x = centre.x + aX - bX; v->y = centre.y + aY - bY; v->z = centre.z + aZ - bZ; v->Col = col; v->U = rec->u2; v->V = rec->v2; v++;
}

static cc_bool CollidesHor(Vec3* nextPos, BlockID block) {
	Vec3 horPos = Vec3_Create3((float)Math_Floor(nextPos->x), 0.0f, (float)Math_Floor(nextPos->z));