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This commit is contained in:
Chris Hodapp 2019-12-31 15:43:52 -05:00
parent 5d17eaea8c
commit 8c35819247
1 changed files with 11 additions and 7 deletions
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18
src/main.rs
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@ -36,7 +36,7 @@ fn test_rule(_v: Vec<Mesh>) -> Vec<RuleStep> {
let gen_rulestep = |rot: &Mat4| -> RuleStep {
let m: Mat4 = rot *
Matrix4::from_translation(vec3(1.5, 0.0, 0.0)) *
Matrix4::from_translation(vec3(2.0, 0.0, 0.0)) *
Matrix4::from_scale(0.6);
let r = Rule::Recurse(test_rule);
let mut m2 = mesh.clone();
@ -58,7 +58,7 @@ fn test_rule(_v: Vec<Mesh>) -> Vec<RuleStep> {
// Bigger TODO: my vague semantics are producing duplicated geometry
use std::convert::TryInto; // DEBUG
fn rule_to_mesh(rule: &Rule, xform: Mat4, iter_num: u32) -> Mesh {
fn rule_to_mesh_rec(rule: &Rule, xform: Mat4, iter_num: u32) -> Mesh {
let max_iters: u32 = 4;
let mut mesh = MeshBuilder::new().with_indices(vec![]).with_positions(vec![]).build().unwrap();
@ -90,7 +90,7 @@ fn rule_to_mesh(rule: &Rule, xform: Mat4, iter_num: u32) -> Mesh {
println!("{}recursing, subxform: ", s);
print_matrix(&subxform);
let mut submesh: Mesh = rule_to_mesh(&subrule, subxform, iter_num + 1);
let mut submesh: Mesh = rule_to_mesh_rec(&subrule, subxform, iter_num + 1);
submesh.apply_transformation(xform);
println!("{}returning, applying xform: ", s);
@ -111,6 +111,13 @@ fn rule_to_mesh(rule: &Rule, xform: Mat4, iter_num: u32) -> Mesh {
}
}
fn rule_to_mesh(rule: &Rule) -> Mesh {
// TODO: The 'identity()' here is causing the duplicated geometry
// - but I should not have to copy the transform from the rule
// here. Clean this up.
rule_to_mesh_rec(rule, Matrix4::identity(), 0)
}
// This isn't kosher:
//type Rule = fn (Vec<Mesh>) -> (Mesh, Vec<(Mesh, Box<Rule>)>);
@ -191,9 +198,6 @@ fn main() {
let r = Rule::Recurse(test_rule);
// TODO: The 'identity()' here is causing the duplicated geometry
// - but I should not have to copy the transform from the rule
// here. Clean this up.
let cubemesh: Mesh = rule_to_mesh(&r, Matrix4::identity(), 0);
let cubemesh: Mesh = rule_to_mesh(&r);
std::fs::write("cubemesh.obj", cubemesh.parse_as_obj()).unwrap();
}