8a05e20c33
Rotations only took cosine of the angle, but this is not enough to determine all possible angles. create_rotation now takes sin of the angle too. Modified tokens to have a second value to accomodate this change
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
#include <cmath>
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#include <tonc.h>
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#include <mtl/log.hpp>
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#include <etl/vector.h>
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#include <mtl/exception.hpp>
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#include "fractal.hpp"
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using namespace mtl;
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using namespace fractal;
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int main(void) {
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REG_DISPCNT = DCNT_MODE3 | DCNT_BG2;
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log::debug << "Hello world!" << mtl::endl;
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constexpr float cos_PI_2 = std::cos(M_PI_2);
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constexpr float cos_PI_4 = std::cos(M_PI_4);
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constexpr float sin_PI_2 = std::sin(M_PI_2);
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constexpr float sin_PI_4 = std::sin(M_PI_4);
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fixed cos_PI_2_fx = cos_PI_2;
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fixed cos_PI_4_fx = cos_PI_4;
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fixed sin_PI_2_fx = sin_PI_2;
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fixed sin_PI_4_fx = sin_PI_4;
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ruleset_t rules;
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try {
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fixed branch_angle = M_PI_4;
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token_id_t walk_petal_length = rules.add_token(token_type_e::walk, 8);
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token_id_t walk_petal_side = rules.add_token(token_type_e::walk, 2);
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token_id_t rotate_axiom = rules.add_token(token_type_e::rotate, cos_PI_2_fx, sin_PI_2_fx);
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token_id_t rotate_petal = rules.add_token(token_type_e::rotate, cos_PI_2_fx, -sin_PI_2_fx);
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token_id_t rotate_branchr = rules.add_token(token_type_e::rotate, cos_PI_4_fx, -sin_PI_4_fx);
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token_id_t rotate_branchl = rules.add_token(token_type_e::rotate, cos_PI_2_fx, sin_PI_2_fx);
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token_id_t branch = rules.add_token(token_type_e::empty);
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token_id_t petal = rules.add_token(token_type_e::empty);
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token_id_t mark = rules.add_token(token_type_e::empty, 0, 0, 1);
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log::info << "Added tokens" << endl;
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uint32_t axiom_factor = 4;
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etl::vector axiom_chr{ branch, rotate_axiom };
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group_id_t axiom_grp = rules.add_group_characteristic(axiom_chr, axiom_factor);
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etl::vector branch_chr{ petal, rotate_branchr, branch, rotate_branchl, branch };
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group_id_t branch_grp = rules.add_group_characteristic(branch_chr);
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etl::vector petal_chr{ mark, walk_petal_length, mark, rotate_petal, walk_petal_side, mark };
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group_id_t petal_grp = rules.add_group_characteristic(petal_chr);
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log::info << "Added group characteristics" << endl;
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rules.add_branch_rule(branch, branch_grp);
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rules.add_branch_rule(petal, petal_grp);
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log::info << "Added rules" << endl;
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log::info << "Finished configuring ruleset" << endl;
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} catch(const mtl::exception&) {
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log::info << "Failed to configure ruleset, caught exception" << endl;
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return 0;
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}
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generator_t gen(rules);
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etl::vector<marker_t, 100> output;
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while (gen.step_generation(output)) {
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log::debug << "Stepped generation" << gen.generation_num() << endl;
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for (const marker_t& m : output) {
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log::debug << ' ' << m.m_id << ", " << m.m_pos << endl;
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}
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}
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while (true) {
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vid_vsync();
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}
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return 0;
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}
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