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example: add wiffle_attenuation

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This example is an experiment with light attenuation.
This commit is contained in:
Zack Buhman 2023-12-26 22:45:55 +08:00
parent b43b18492a
commit 6a17031c6f
4 changed files with 2146 additions and 0 deletions
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11
example/example.mk
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@ -118,6 +118,17 @@ ICOSPHERE_OBJ = \
example/icosphere.elf: LDSCRIPT = $(LIB)/alt.lds example/icosphere.elf: LDSCRIPT = $(LIB)/alt.lds
example/icosphere.elf: $(START_OBJ) $(ICOSPHERE_OBJ) example/icosphere.elf: $(START_OBJ) $(ICOSPHERE_OBJ)
WIFFLE_ATTENUATION_OBJ = \
example/wiffle_attenuation.o \
vga.o \
holly/core.o \
holly/region_array.o \
holly/background.o \
holly/ta_fifo_polygon_converter.o
example/wiffle_attenuation.elf: LDSCRIPT = $(LIB)/alt.lds
example/wiffle_attenuation.elf: $(START_OBJ) $(WIFFLE_ATTENUATION_OBJ)
MACAW_CUBE_OBJ = \ MACAW_CUBE_OBJ = \
example/macaw_cube.o \ example/macaw_cube.o \
vga.o \ vga.o \

310
example/wiffle_attenuation.cpp Normal file
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@ -0,0 +1,310 @@
#include <cstdint>
#include "align.hpp"
#include "vga.hpp"
#include "holly.hpp"
#include "holly/core.hpp"
#include "holly/core_bits.hpp"
#include "holly/ta_fifo_polygon_converter.hpp"
#include "holly/ta_parameter.hpp"
#include "holly/ta_bits.hpp"
#include "holly/region_array.hpp"
#include "holly/background.hpp"
#include "holly/texture_memory_alloc.hpp"
#include "memorymap.hpp"
#include "serial.hpp"
#include "geometry/icosphere.hpp"
#include "geometry/suzanne.hpp"
#include "geometry/wiffle.hpp"
#include "math/vec4.hpp"
constexpr float half_degree = 0.01745329f / 2;
#define MODEL wiffle
vec3 rotate(const vec3& vertex, float theta)
{
float x = vertex.x;
float y = vertex.y;
float z = vertex.z;
float t;
t = y * cos(theta) - z * sin(theta);
z = y * sin(theta) + z * cos(theta);
y = t;
float theta2 = 3.14 * sin(theta / 2);
t = x * cos(theta2) - z * sin(theta2);
z = x * sin(theta2) + z * cos(theta2);
x = t;
return vec3(x, y, z);
}
void transform(ta_parameter_writer& parameter,
const uint32_t face_ix,
const float theta,
const vec3 lights[3])
{
const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
| para_control::list_type::opaque
| obj_control::col_type::floating_color
| obj_control::gouraud;
const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::greater
| isp_tsp_instruction_word::culling_mode::cull_if_positive;
const uint32_t tsp_instruction_word = tsp_instruction_word::src_alpha_instr::one
| tsp_instruction_word::dst_alpha_instr::zero
| tsp_instruction_word::fog_control::no_fog;
parameter.append<global_polygon_type_0>() = global_polygon_type_0(parameter_control_word,
isp_tsp_instruction_word,
tsp_instruction_word,
0);
auto& face = MODEL::faces[face_ix];
constexpr uint32_t strip_length = 3;
for (uint32_t i = 0; i < strip_length; i++) {
bool end_of_strip = i == strip_length - 1;
// world transform
uint32_t vertex_ix = face[i].vertex;
auto& vertex = MODEL::vertices[vertex_ix];
auto point = rotate(vertex, theta);
// lighting transform
uint32_t normal_ix = face[i].normal;
auto& normal = MODEL::normals[normal_ix];
auto n = rotate(normal, theta);
vec4 color = {0.0, 0.0, 0.0, 1.0};
// intensity calculation
{
auto l = lights[0] - point;
auto n_dot_l = dot(n, l);
if (n_dot_l > 0) {
float distance = length(lights[0] - point);
float attenuation = 1.0 / (1.0f
+ 0.07f * distance
+ 0.007f * (distance * distance));
color.x += 5.0 * attenuation;
}
}
{
auto l = lights[1] - point;
auto n_dot_l = dot(n, l);
if (n_dot_l > 0) {
float distance = length(lights[1] - point);
float attenuation = 1.0 / (1.0f
+ 0.07f * distance
+ 0.007f * (distance * distance));
color.y += 5.0 * attenuation;
}
}
{
auto l = lights[2] - point;
auto n_dot_l = dot(n, l);
if (n_dot_l > 0) {
float distance = length(lights[2] - point);
float attenuation = 1.0 / (1.0f
+ 0.07f * distance
+ 0.007f * (distance * distance));
color.z += 9.0 * attenuation;
}
}
float x = point.x;
float y = point.y;
float z = point.z;
x *= 1;
y *= 1;
z *= 1;
// camera transform
z += 80;
// perspective
x = x / z;
y = y / z;
// screen space transform
x *= 240.f;
y *= 240.f;
x += 320.f;
y += 240.f;
z = 1 / z;
parameter.append<vertex_polygon_type_1>() =
vertex_polygon_type_1(x, y, z,
color.w, // alpha
color.x, // r
color.y, // g
color.z, // b
end_of_strip);
}
}
void transform2(ta_parameter_writer& parameter,
const vec3& pos,
const vec4& color)
{
const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
| para_control::list_type::opaque
| obj_control::col_type::floating_color
| obj_control::gouraud;
const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::greater
| isp_tsp_instruction_word::culling_mode::no_culling;
const uint32_t tsp_instruction_word = tsp_instruction_word::src_alpha_instr::one
| tsp_instruction_word::dst_alpha_instr::zero
| tsp_instruction_word::fog_control::no_fog;
parameter.append<global_polygon_type_0>() = global_polygon_type_0(parameter_control_word,
isp_tsp_instruction_word,
tsp_instruction_word,
0);
constexpr vec3 triangle[] = {
{ 0.f, -1.f, 0.f},
{-1.f, 1.f, 0.f},
{ 1.f, 1.f, 0.f},
};
constexpr uint32_t strip_length = 3;
for (uint32_t i = 0; i < strip_length; i++) {
bool end_of_strip = i == strip_length - 1;
float x = triangle[i].x;
float y = triangle[i].y;
float z = triangle[i].z;
x *= 0.2;
y *= 0.2;
z *= 0.2;
x += pos.x;
y += pos.y;
z += pos.z;
// camera transform
z += 40;
// perspective
x = x / z;
y = y / z;
// screen space transform
x *= 240.f;
y *= 240.f;
x += 320.f;
y += 240.f;
z = 1 / z;
parameter.append<vertex_polygon_type_1>() =
vertex_polygon_type_1(x, y, z,
color.w, // alpha
color.x, // r
color.y, // g
color.z, // b
end_of_strip);
}
}
void init_texture_memory(const struct opb_size& opb_size)
{
auto mem = reinterpret_cast<volatile texture_memory_alloc *>(texture_memory32);
background_parameter(mem->background, 0xff220000);
region_array2(mem->region_array,
(offsetof (struct texture_memory_alloc, object_list)),
640 / 32, // width
480 / 32, // height
opb_size
);
}
uint32_t _ta_parameter_buf[((32 * 8192) + 32) / 4];
void main()
{
vga();
// The address of `ta_parameter_buf` must be a multiple of 32 bytes.
// This is mandatory for ch2-dma to the ta fifo polygon converter.
uint32_t * ta_parameter_buf = align_32byte(_ta_parameter_buf);
constexpr uint32_t ta_alloc = ta_alloc_ctrl::pt_opb::no_list
| ta_alloc_ctrl::tm_opb::no_list
| ta_alloc_ctrl::t_opb::no_list
| ta_alloc_ctrl::om_opb::no_list
| ta_alloc_ctrl::o_opb::_16x4byte;
constexpr struct opb_size opb_size = { .opaque = 16 * 4
, .opaque_modifier = 0
, .translucent = 0
, .translucent_modifier = 0
, .punch_through = 0
};
holly.SOFTRESET = softreset::pipeline_soft_reset
| softreset::ta_soft_reset;
holly.SOFTRESET = 0;
core_init();
init_texture_memory(opb_size);
uint32_t frame_ix = 0;
constexpr uint32_t num_frames = 1;
float theta = 0;
vec3 lights[3] = {
{0.f, 0.f, 0.f},
{0.f, 0.f, 0.f},
{0.f, 0.f, 0.f},
};
while (1) {
ta_polygon_converter_init(opb_size.total(),
ta_alloc,
640 / 32,
480 / 32);
float theta2 = 3.14 * 2 * sin(theta / 7);
lights[0].x = cos(theta) * 20;
lights[0].z = sin(theta) * 20;
lights[1].x = cos(theta2 + half_degree * 180.f) * 20;
lights[1].z = sin(theta2 + half_degree * 180.f) * 20;
lights[2].x = cos(theta + half_degree * 360.f) * 20;
lights[2].z = sin(theta + half_degree * 360.f) * 20;
auto parameter = ta_parameter_writer(ta_parameter_buf);
for (uint32_t i = 0; i < MODEL::num_faces; i++) {
transform(parameter, i, theta, lights);
}
transform2(parameter, lights[0], {1.f, 0.f, 0.f, 1.f});
transform2(parameter, lights[1], {0.f, 1.f, 0.f, 1.f});
transform2(parameter, lights[2], {0.f, 0.f, 1.f, 1.f});
parameter.append<global_end_of_list>() = global_end_of_list();
ta_polygon_converter_transfer(ta_parameter_buf, parameter.offset);
ta_wait_opaque_list();
core_start_render(frame_ix, num_frames);
v_sync_out();
core_wait_end_of_render_video(frame_ix, num_frames);
theta += half_degree;
frame_ix += 1;
}
}

919
geometry/wiffle.hpp Normal file
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@ -0,0 +1,919 @@
#pragma once
#include "geometry.hpp"
namespace wiffle {
constexpr vec3 vertices[] = {
{ -45.000000f, 3.360392f, -45.000000f },
{ -45.000000f, 17.676659f, -21.066221f },
{ -45.000000f, 45.000000f, -15.556347f },
{ -45.000000f, 23.815699f, -13.749999f },
{ -45.000000f, 9.405555f, -25.841547f },
{ -45.000000f, 27.082212f, -4.775324f },
{ -45.000000f, -3.360388f, -45.000000f },
{ -45.000000f, 0.000001f, -27.500000f },
{ -45.000000f, 27.082212f, 4.775326f },
{ -45.000000f, 45.000000f, 15.556351f },
{ -45.000000f, -9.405553f, -25.841547f },
{ -45.000000f, 23.815699f, 13.750001f },
{ -45.000000f, -17.676659f, -21.066221f },
{ -45.000000f, 17.676659f, 21.066221f },
{ -45.000000f, -45.000000f, -15.556351f },
{ -45.000000f, -23.815699f, -13.750001f },
{ -45.000000f, -27.082212f, -4.775326f },
{ -45.000000f, -0.000001f, 27.500000f },
{ -45.000000f, 3.360388f, 45.000000f },
{ -45.000000f, 9.405553f, 25.841547f },
{ -45.000000f, -17.676659f, 21.066221f },
{ -45.000000f, -3.360392f, 45.000000f },
{ -45.000000f, -9.405555f, 25.841547f },
{ -45.000000f, -45.000000f, 15.556347f },
{ -45.000000f, -27.082212f, 4.775324f },
{ -45.000000f, -23.815699f, 13.749999f },
{ -21.066221f, -17.676661f, 45.000000f },
{ -3.360390f, -45.000004f, 44.999996f },
{ -13.750000f, -23.815701f, 45.000000f },
{ -25.841547f, -9.405556f, 45.000000f },
{ -4.775325f, -27.082214f, 45.000000f },
{ -27.500000f, -0.000002f, 45.000000f },
{ 4.775325f, -27.082214f, 45.000000f },
{ 3.360390f, -45.000004f, 44.999996f },
{ -25.841547f, 9.405552f, 45.000000f },
{ 13.750000f, -23.815701f, 45.000000f },
{ -21.066221f, 17.676657f, 45.000000f },
{ 21.066221f, -17.676661f, 45.000000f },
{ 45.000000f, -3.360392f, 45.000000f },
{ 27.500000f, -0.000002f, 45.000000f },
{ 25.841547f, -9.405556f, 45.000000f },
{ -3.360390f, 44.999996f, 45.000004f },
{ -13.750000f, 23.815697f, 45.000000f },
{ -4.775325f, 27.082211f, 45.000000f },
{ 45.000000f, 3.360388f, 45.000000f },
{ 21.066221f, 17.676657f, 45.000000f },
{ 25.841547f, 9.405552f, 45.000000f },
{ 3.360390f, 44.999996f, 45.000004f },
{ 4.775325f, 27.082211f, 45.000000f },
{ 13.750000f, 23.815697f, 45.000000f },
{ -40.000000f, 15.431457f, 40.000000f },
{ -40.000000f, 40.000000f, 22.627419f },
{ -15.431458f, 40.000000f, 40.000000f },
{ -13.750000f, 45.000000f, -23.815697f },
{ -3.360390f, 45.000004f, -44.999996f },
{ -21.066221f, 45.000000f, -17.676657f },
{ -25.841547f, 45.000000f, -9.405552f },
{ -4.775325f, 45.000000f, -27.082211f },
{ -27.500000f, 45.000000f, 0.000002f },
{ 4.775325f, 45.000000f, -27.082211f },
{ 3.360390f, 45.000004f, -44.999996f },
{ -25.841547f, 45.000000f, 9.405556f },
{ 13.750000f, 45.000000f, -23.815697f },
{ -21.066221f, 45.000000f, 17.676661f },
{ -13.750000f, 45.000000f, 23.815701f },
{ 45.000000f, 45.000000f, -15.556347f },
{ 25.841547f, 45.000000f, -9.405552f },
{ 27.500000f, 45.000000f, 0.000002f },
{ 21.066221f, 45.000000f, -17.676657f },
{ -4.775325f, 45.000000f, 27.082214f },
{ 4.775325f, 45.000000f, 27.082214f },
{ 13.750000f, 45.000000f, 23.815701f },
{ 45.000000f, 45.000000f, 15.556351f },
{ 21.066221f, 45.000000f, 17.676661f },
{ 25.841547f, 45.000000f, 9.405556f },
{ -15.431458f, 40.000000f, -40.000000f },
{ -40.000000f, 15.431460f, -40.000000f },
{ -40.000000f, 40.000000f, -22.627415f },
{ -21.066221f, -17.676657f, -45.000000f },
{ -3.360390f, -44.999996f, -45.000004f },
{ -13.750000f, -23.815697f, -45.000000f },
{ -25.841547f, -9.405552f, -45.000000f },
{ -4.775325f, -27.082211f, -45.000000f },
{ 3.360390f, -44.999996f, -45.000004f },
{ -27.500000f, 0.000002f, -45.000000f },
{ 4.775325f, -27.082211f, -45.000000f },
{ -25.841547f, 9.405556f, -45.000000f },
{ 13.750000f, -23.815697f, -45.000000f },
{ -21.066221f, 17.676661f, -45.000000f },
{ 21.066221f, -17.676657f, -45.000000f },
{ 27.500000f, 0.000002f, -45.000000f },
{ 45.000000f, -3.360388f, -45.000000f },
{ 25.841547f, -9.405552f, -45.000000f },
{ -13.750000f, 23.815701f, -45.000000f },
{ -4.775325f, 27.082214f, -45.000000f },
{ 21.066221f, 17.676661f, -45.000000f },
{ 45.000000f, 3.360392f, -45.000000f },
{ 25.841547f, 9.405556f, -45.000000f },
{ 4.775325f, 27.082214f, -45.000000f },
{ 13.750000f, 23.815701f, -45.000000f },
{ -15.431458f, -40.000000f, -40.000000f },
{ -40.000000f, -15.431457f, -40.000000f },
{ -40.000000f, -40.000000f, -22.627419f },
{ -13.750000f, -45.000000f, -23.815701f },
{ -21.066221f, -45.000000f, -17.676661f },
{ -25.841547f, -45.000000f, -9.405556f },
{ -4.775325f, -45.000000f, -27.082214f },
{ -27.500000f, -45.000000f, -0.000002f },
{ 4.775325f, -45.000000f, -27.082214f },
{ -25.841547f, -45.000000f, 9.405552f },
{ 13.750000f, -45.000000f, -23.815701f },
{ -21.066221f, -45.000000f, 17.676657f },
{ -13.750000f, -45.000000f, 23.815697f },
{ 25.841547f, -45.000000f, -9.405556f },
{ 45.000000f, -45.000000f, -15.556351f },
{ 27.500000f, -45.000000f, -0.000002f },
{ 21.066221f, -45.000000f, -17.676661f },
{ -4.775325f, -45.000000f, 27.082211f },
{ 4.775325f, -45.000000f, 27.082211f },
{ 13.750000f, -45.000000f, 23.815697f },
{ 21.066221f, -45.000000f, 17.676657f },
{ 45.000000f, -45.000000f, 15.556347f },
{ 25.841547f, -45.000000f, 9.405552f },
{ -40.000000f, -15.431460f, 40.000000f },
{ -40.000000f, -40.000000f, 22.627415f },
{ -15.431458f, -40.000000f, 40.000000f },
{ -40.000000f, 0.000001f, -27.500000f },
{ -40.000000f, 9.405555f, -25.841547f },
{ -40.000000f, 17.676659f, -21.066221f },
{ -40.000000f, 23.815699f, -13.749999f },
{ -40.000000f, 27.082212f, -4.775324f },
{ -40.000000f, 27.082212f, 4.775326f },
{ -40.000000f, 23.815699f, 13.750001f },
{ -40.000000f, 17.676659f, 21.066221f },
{ -40.000000f, 9.405553f, 25.841547f },
{ -40.000000f, -0.000001f, 27.500000f },
{ -40.000000f, -9.405555f, 25.841547f },
{ -40.000000f, -17.676659f, 21.066221f },
{ -40.000000f, -23.815699f, 13.749999f },
{ -40.000000f, -27.082212f, 4.775324f },
{ -40.000000f, -27.082212f, -4.775326f },
{ -40.000000f, -23.815699f, -13.750001f },
{ -40.000000f, -17.676659f, -21.066221f },
{ -40.000000f, -9.405553f, -25.841547f },
{ 15.431458f, 40.000000f, 40.000000f },
{ 40.000000f, 40.000000f, 22.627419f },
{ 40.000000f, 15.431457f, 40.000000f },
{ 45.000000f, 17.676659f, -21.066221f },
{ 45.000000f, 23.815699f, -13.749999f },
{ 45.000000f, 9.405555f, -25.841547f },
{ 45.000000f, 27.082212f, -4.775324f },
{ 45.000000f, 0.000001f, -27.500000f },
{ 45.000000f, 27.082212f, 4.775326f },
{ 45.000000f, -9.405553f, -25.841547f },
{ 45.000000f, 23.815699f, 13.750001f },
{ 45.000000f, -17.676659f, -21.066221f },
{ 45.000000f, 17.676659f, 21.066221f },
{ 45.000000f, -23.815699f, -13.750001f },
{ 45.000000f, -27.082212f, -4.775326f },
{ 45.000000f, -0.000001f, 27.500000f },
{ 45.000000f, 9.405553f, 25.841547f },
{ 45.000000f, -17.676659f, 21.066221f },
{ 45.000000f, -9.405555f, 25.841547f },
{ 45.000000f, -27.082212f, 4.775324f },
{ 45.000000f, -23.815699f, 13.749999f },
{ 15.431458f, -40.000000f, 40.000000f },
{ 40.000000f, -40.000000f, 22.627415f },
{ 40.000000f, -15.431460f, 40.000000f },
{ 25.841547f, 9.405552f, 40.000000f },
{ 27.500000f, -0.000002f, 40.000000f },
{ 21.066221f, 17.676657f, 40.000000f },
{ 13.750000f, 23.815697f, 40.000000f },
{ 4.775325f, 27.082211f, 40.000000f },
{ -4.775325f, 27.082211f, 40.000000f },
{ -13.750000f, 23.815697f, 40.000000f },
{ -21.066221f, 17.676657f, 40.000000f },
{ -25.841547f, 9.405552f, 40.000000f },
{ -27.500000f, -0.000002f, 40.000000f },
{ -25.841547f, -9.405556f, 40.000000f },
{ -21.066221f, -17.676661f, 40.000000f },
{ -13.750000f, -23.815701f, 40.000000f },
{ -4.775325f, -27.082214f, 40.000000f },
{ 4.775325f, -27.082214f, 40.000000f },
{ 13.750000f, -23.815701f, 40.000000f },
{ 21.066221f, -17.676661f, 40.000000f },
{ 25.841547f, -9.405556f, 40.000000f },
{ -21.066221f, 40.000000f, -17.676657f },
{ -13.750000f, 40.000000f, -23.815697f },
{ -25.841547f, 40.000000f, -9.405552f },
{ -4.775325f, 40.000000f, -27.082211f },
{ -27.500000f, 40.000000f, 0.000002f },
{ 15.431458f, 40.000000f, -40.000000f },
{ 4.775325f, 40.000000f, -27.082211f },
{ -25.841547f, 40.000000f, 9.405556f },
{ 13.750000f, 40.000000f, -23.815697f },
{ -21.066221f, 40.000000f, 17.676661f },
{ 21.066221f, 40.000000f, -17.676657f },
{ 40.000000f, 40.000000f, -22.627415f },
{ 25.841547f, 40.000000f, -9.405552f },
{ -13.750000f, 40.000000f, 23.815701f },
{ -4.775325f, 40.000000f, 27.082214f },
{ 27.500000f, 40.000000f, 0.000002f },
{ 4.775325f, 40.000000f, 27.082214f },
{ 13.750000f, 40.000000f, 23.815701f },
{ 21.066221f, 40.000000f, 17.676661f },
{ 25.841547f, 40.000000f, 9.405556f },
{ 40.000000f, 15.431460f, -40.000000f },
{ -21.066221f, -17.676657f, -40.000000f },
{ -13.750000f, -23.815697f, -40.000000f },
{ -25.841547f, -9.405552f, -40.000000f },
{ -4.775325f, -27.082211f, -40.000000f },
{ -27.500000f, 0.000002f, -40.000000f },
{ 4.775325f, -27.082211f, -40.000000f },
{ 15.431458f, -40.000000f, -40.000000f },
{ -25.841547f, 9.405556f, -40.000000f },
{ 13.750000f, -23.815697f, -40.000000f },
{ -21.066221f, 17.676661f, -40.000000f },
{ 21.066221f, -17.676657f, -40.000000f },
{ 40.000000f, -15.431457f, -40.000000f },
{ 25.841547f, -9.405552f, -40.000000f },
{ -13.750000f, 23.815701f, -40.000000f },
{ -4.775325f, 27.082214f, -40.000000f },
{ 27.500000f, 0.000002f, -40.000000f },
{ 4.775325f, 27.082214f, -40.000000f },
{ 21.066221f, 17.676661f, -40.000000f },
{ 25.841547f, 9.405556f, -40.000000f },
{ 13.750000f, 23.815701f, -40.000000f },
{ 40.000000f, -40.000000f, -22.627419f },
{ -21.066221f, -40.000000f, -17.676661f },
{ -13.750000f, -40.000000f, -23.815701f },
{ -25.841547f, -40.000000f, -9.405556f },
{ -4.775325f, -40.000000f, -27.082214f },
{ -27.500000f, -40.000000f, -0.000002f },
{ 4.775325f, -40.000000f, -27.082214f },
{ -25.841547f, -40.000000f, 9.405552f },
{ 13.750000f, -40.000000f, -23.815701f },
{ -21.066221f, -40.000000f, 17.676657f },
{ 21.066221f, -40.000000f, -17.676661f },
{ 25.841547f, -40.000000f, -9.405556f },
{ -13.750000f, -40.000000f, 23.815697f },
{ -4.775325f, -40.000000f, 27.082211f },
{ 27.500000f, -40.000000f, -0.000002f },
{ 4.775325f, -40.000000f, 27.082211f },
{ 13.750000f, -40.000000f, 23.815697f },
{ 21.066221f, -40.000000f, 17.676657f },
{ 25.841547f, -40.000000f, 9.405552f },
{ 40.000000f, 17.676659f, -21.066221f },
{ 40.000000f, 23.815699f, -13.749999f },
{ 40.000000f, 9.405555f, -25.841547f },
{ 40.000000f, 27.082212f, -4.775324f },
{ 40.000000f, 0.000001f, -27.500000f },
{ 40.000000f, 27.082212f, 4.775326f },
{ 40.000000f, -9.405553f, -25.841547f },
{ 40.000000f, 23.815699f, 13.750001f },
{ 40.000000f, -17.676659f, -21.066221f },
{ 40.000000f, 17.676659f, 21.066221f },
{ 40.000000f, -23.815699f, -13.750001f },
{ 40.000000f, -27.082212f, -4.775326f },
{ 40.000000f, 9.405553f, 25.841547f },
{ 40.000000f, -0.000001f, 27.500000f },
{ 40.000000f, -17.676659f, 21.066221f },
{ 40.000000f, -9.405555f, 25.841547f },
{ 40.000000f, -27.082212f, 4.775324f },
{ 40.000000f, -23.815699f, 13.749999f },
};
constexpr vec3 normals[] = {
{ -1.000000f, -0.000000f, -0.000000f },
{ -0.000000f, -0.000000f, 1.000000f },
{ -0.500000f, 0.500000f, 0.707100f },
{ -0.000000f, 1.000000f, -0.000000f },
{ -0.500000f, 0.500000f, -0.707100f },
{ -0.000000f, -0.000000f, -1.000000f },
{ -0.500000f, -0.500000f, -0.707100f },
{ -0.000000f, -1.000000f, -0.000000f },
{ -0.500000f, -0.500000f, 0.707100f },
{ -0.000000f, -0.173600f, 0.984800f },
{ -0.000000f, -0.500000f, 0.866000f },
{ -0.000000f, -0.766000f, 0.642800f },
{ -0.000000f, -0.939700f, 0.342000f },
{ -0.000000f, -0.766000f, -0.642800f },
{ -0.000000f, -0.939700f, -0.342000f },
{ -0.000000f, -0.500000f, -0.866000f },
{ -0.000000f, -0.173600f, -0.984800f },
{ -0.000000f, 0.173600f, -0.984800f },
{ -0.000000f, 0.500000f, -0.866000f },
{ -0.000000f, 0.766000f, -0.642800f },
{ -0.000000f, 0.939700f, -0.342000f },
{ -0.000000f, 0.939700f, 0.342000f },
{ -0.000000f, 0.766000f, 0.642800f },
{ -0.000000f, 0.500000f, 0.866000f },
{ -0.000000f, 0.173600f, 0.984800f },
{ 0.500000f, 0.500000f, 0.707100f },
{ 1.000000f, -0.000000f, -0.000000f },
{ 0.500000f, -0.500000f, 0.707100f },
{ -0.984800f, -0.173600f, -0.000000f },
{ -0.642800f, -0.766000f, -0.000000f },
{ -0.866000f, -0.500000f, -0.000000f },
{ -0.342000f, -0.939700f, -0.000000f },
{ 0.342000f, -0.939700f, -0.000000f },
{ 0.866000f, -0.500000f, -0.000000f },
{ 0.642800f, -0.766000f, -0.000000f },
{ 0.984800f, -0.173600f, -0.000000f },
{ 0.866000f, 0.500000f, -0.000000f },
{ 0.984800f, 0.173600f, -0.000000f },
{ 0.642800f, 0.766000f, -0.000000f },
{ 0.342000f, 0.939700f, -0.000000f },
{ -0.342000f, 0.939700f, -0.000000f },
{ -0.642800f, 0.766000f, -0.000000f },
{ -0.866000f, 0.500000f, -0.000000f },
{ -0.984800f, 0.173600f, -0.000000f },
{ 0.500000f, 0.500000f, -0.707100f },
{ -0.984800f, -0.000000f, -0.173600f },
{ -0.642800f, -0.000000f, -0.766000f },
{ -0.866000f, -0.000000f, -0.500000f },
{ -0.342000f, -0.000000f, -0.939700f },
{ 0.342000f, -0.000000f, -0.939700f },
{ 0.866000f, -0.000000f, -0.500000f },
{ 0.642800f, -0.000000f, -0.766000f },
{ 0.984800f, -0.000000f, -0.173600f },
{ 0.866000f, -0.000000f, 0.500000f },
{ 0.984800f, -0.000000f, 0.173600f },
{ 0.642800f, -0.000000f, 0.766000f },
{ 0.342000f, -0.000000f, 0.939700f },
{ -0.342000f, -0.000000f, 0.939700f },
{ -0.642800f, -0.000000f, 0.766000f },
{ -0.866000f, -0.000000f, 0.500000f },
{ -0.984800f, -0.000000f, 0.173600f },
{ 0.500000f, -0.500000f, -0.707100f },
};
constexpr face faces[] = {
{{ 0, 0}, { 1, 0}, { 2, 0}},
{{ 1, 0}, { 3, 0}, { 2, 0}},
{{ 0, 0}, { 4, 0}, { 1, 0}},
{{ 3, 0}, { 5, 0}, { 2, 0}},
{{ 6, 0}, { 7, 0}, { 0, 0}},
{{ 0, 0}, { 7, 0}, { 4, 0}},
{{ 2, 0}, { 8, 0}, { 9, 0}},
{{ 5, 0}, { 8, 0}, { 2, 0}},
{{ 6, 0}, {10, 0}, { 7, 0}},
{{ 8, 0}, {11, 0}, { 9, 0}},
{{ 6, 0}, {12, 0}, {10, 0}},
{{11, 0}, {13, 0}, { 9, 0}},
{{12, 0}, {14, 0}, {15, 0}},
{{15, 0}, {14, 0}, {16, 0}},
{{ 6, 0}, {14, 0}, {12, 0}},
{{17, 0}, {18, 0}, {19, 0}},
{{19, 0}, {18, 0}, {13, 0}},
{{13, 0}, {18, 0}, { 9, 0}},
{{20, 0}, {21, 0}, {22, 0}},
{{22, 0}, {21, 0}, {17, 0}},
{{17, 0}, {21, 0}, {18, 0}},
{{16, 0}, {23, 0}, {24, 0}},
{{24, 0}, {23, 0}, {25, 0}},
{{25, 0}, {23, 0}, {20, 0}},
{{14, 0}, {23, 0}, {16, 0}},
{{20, 0}, {23, 0}, {21, 0}},
{{26, 1}, {21, 1}, {27, 1}},
{{28, 1}, {26, 1}, {27, 1}},
{{29, 1}, {21, 1}, {26, 1}},
{{30, 1}, {28, 1}, {27, 1}},
{{31, 1}, {18, 1}, {21, 1}},
{{31, 1}, {21, 1}, {29, 1}},
{{32, 1}, {27, 1}, {33, 1}},
{{32, 1}, {30, 1}, {27, 1}},
{{34, 1}, {18, 1}, {31, 1}},
{{35, 1}, {32, 1}, {33, 1}},
{{36, 1}, {18, 1}, {34, 1}},
{{37, 1}, {35, 1}, {33, 1}},
{{38, 1}, {39, 1}, {40, 1}},
{{38, 1}, {40, 1}, {37, 1}},
{{38, 1}, {37, 1}, {33, 1}},
{{41, 1}, {36, 1}, {42, 1}},
{{41, 1}, {42, 1}, {43, 1}},
{{41, 1}, {18, 1}, {36, 1}},
{{44, 1}, {45, 1}, {46, 1}},
{{44, 1}, {46, 1}, {39, 1}},
{{44, 1}, {39, 1}, {38, 1}},
{{47, 1}, {43, 1}, {48, 1}},
{{47, 1}, {48, 1}, {49, 1}},
{{47, 1}, {49, 1}, {45, 1}},
{{47, 1}, {41, 1}, {43, 1}},
{{47, 1}, {45, 1}, {44, 1}},
{{50, 2}, { 9, 2}, {18, 2}},
{{50, 2}, {51, 2}, { 9, 2}},
{{52, 2}, { 9, 2}, {51, 2}},
{{52, 2}, {50, 2}, {18, 2}},
{{41, 2}, { 9, 2}, {52, 2}},
{{41, 2}, {52, 2}, {18, 2}},
{{53, 3}, {54, 3}, { 2, 3}},
{{53, 3}, { 2, 3}, {55, 3}},
{{56, 3}, {55, 3}, { 2, 3}},
{{57, 3}, {54, 3}, {53, 3}},
{{58, 3}, { 2, 3}, { 9, 3}},
{{58, 3}, {56, 3}, { 2, 3}},
{{59, 3}, {60, 3}, {54, 3}},
{{59, 3}, {54, 3}, {57, 3}},
{{61, 3}, {58, 3}, { 9, 3}},
{{62, 3}, {60, 3}, {59, 3}},
{{63, 3}, {61, 3}, { 9, 3}},
{{64, 3}, {63, 3}, { 9, 3}},
{{65, 3}, {66, 3}, {67, 3}},
{{65, 3}, {68, 3}, {66, 3}},
{{65, 3}, {62, 3}, {68, 3}},
{{65, 3}, {60, 3}, {62, 3}},
{{41, 3}, {69, 3}, {64, 3}},
{{41, 3}, {70, 3}, {69, 3}},
{{41, 3}, {64, 3}, { 9, 3}},
{{47, 3}, {71, 3}, {70, 3}},
{{47, 3}, {70, 3}, {41, 3}},
{{72, 3}, {73, 3}, {71, 3}},
{{72, 3}, {74, 3}, {73, 3}},
{{72, 3}, {67, 3}, {74, 3}},
{{72, 3}, {65, 3}, {67, 3}},
{{72, 3}, {71, 3}, {47, 3}},
{{75, 4}, {54, 4}, {76, 4}},
{{76, 4}, {54, 4}, { 0, 4}},
{{76, 4}, { 2, 4}, {77, 4}},
{{77, 4}, { 2, 4}, {75, 4}},
{{ 0, 4}, { 2, 4}, {76, 4}},
{{75, 4}, { 2, 4}, {54, 4}},
{{ 6, 5}, {78, 5}, {79, 5}},
{{78, 5}, {80, 5}, {79, 5}},
{{ 6, 5}, {81, 5}, {78, 5}},
{{79, 5}, {82, 5}, {83, 5}},
{{80, 5}, {82, 5}, {79, 5}},
{{ 0, 5}, {84, 5}, { 6, 5}},
{{ 6, 5}, {84, 5}, {81, 5}},
{{82, 5}, {85, 5}, {83, 5}},
{{ 0, 5}, {86, 5}, {84, 5}},
{{85, 5}, {87, 5}, {83, 5}},
{{ 0, 5}, {88, 5}, {86, 5}},
{{87, 5}, {89, 5}, {83, 5}},
{{90, 5}, {91, 5}, {92, 5}},
{{92, 5}, {91, 5}, {89, 5}},
{{89, 5}, {91, 5}, {83, 5}},
{{88, 5}, {54, 5}, {93, 5}},
{{93, 5}, {54, 5}, {94, 5}},
{{ 0, 5}, {54, 5}, {88, 5}},
{{95, 5}, {96, 5}, {97, 5}},
{{97, 5}, {96, 5}, {90, 5}},
{{90, 5}, {96, 5}, {91, 5}},
{{94, 5}, {60, 5}, {98, 5}},
{{98, 5}, {60, 5}, {99, 5}},
{{99, 5}, {60, 5}, {95, 5}},
{{54, 5}, {60, 5}, {94, 5}},
{{95, 5}, {60, 5}, {96, 5}},
{{ 6, 6}, {100, 6}, {101, 6}},
{{ 6, 6}, {79, 6}, {100, 6}},
{{102, 6}, {14, 6}, {101, 6}},
{{100, 6}, {14, 6}, {102, 6}},
{{101, 6}, {14, 6}, { 6, 6}},
{{79, 6}, {14, 6}, {100, 6}},
{{79, 7}, {103, 7}, {14, 7}},
{{14, 7}, {103, 7}, {104, 7}},
{{104, 7}, {105, 7}, {14, 7}},
{{83, 7}, {106, 7}, {79, 7}},
{{79, 7}, {106, 7}, {103, 7}},
{{14, 7}, {107, 7}, {23, 7}},
{{105, 7}, {107, 7}, {14, 7}},
{{83, 7}, {108, 7}, {106, 7}},
{{107, 7}, {109, 7}, {23, 7}},
{{83, 7}, {110, 7}, {108, 7}},
{{109, 7}, {111, 7}, {23, 7}},
{{111, 7}, {112, 7}, {23, 7}},
{{113, 7}, {114, 7}, {115, 7}},
{{116, 7}, {114, 7}, {113, 7}},
{{110, 7}, {114, 7}, {116, 7}},
{{83, 7}, {114, 7}, {110, 7}},
{{117, 7}, {27, 7}, {112, 7}},
{{112, 7}, {27, 7}, {23, 7}},
{{118, 7}, {33, 7}, {117, 7}},
{{119, 7}, {33, 7}, {118, 7}},
{{117, 7}, {33, 7}, {27, 7}},
{{120, 7}, {121, 7}, {119, 7}},
{{122, 7}, {121, 7}, {120, 7}},
{{115, 7}, {121, 7}, {122, 7}},
{{119, 7}, {121, 7}, {33, 7}},
{{114, 7}, {121, 7}, {115, 7}},
{{123, 8}, {21, 8}, {23, 8}},
{{123, 8}, {23, 8}, {124, 8}},
{{125, 8}, {124, 8}, {23, 8}},
{{27, 8}, {125, 8}, {23, 8}},
{{27, 8}, {21, 8}, {123, 8}},
{{27, 8}, {123, 8}, {125, 8}},
{{ 4, 9}, { 7, 9}, {126, 9}},
{{ 4, 9}, {126, 9}, {127, 9}},
{{ 1, 10}, {127, 10}, {128, 10}},
{{ 1, 10}, { 4, 10}, {127, 10}},
{{ 3, 11}, {128, 11}, {129, 11}},
{{ 3, 11}, { 1, 11}, {128, 11}},
{{ 5, 12}, {129, 12}, {130, 12}},
{{ 5, 12}, { 3, 12}, {129, 12}},
{{ 8, 7}, {130, 7}, {131, 7}},
{{ 8, 7}, { 5, 7}, {130, 7}},
{{11, 13}, {132, 13}, {133, 13}},
{{11, 14}, {131, 14}, {132, 14}},
{{11, 14}, { 8, 14}, {131, 14}},
{{13, 15}, {133, 15}, {134, 15}},
{{13, 13}, {11, 13}, {133, 13}},
{{19, 16}, {134, 16}, {135, 16}},
{{19, 15}, {13, 15}, {134, 15}},
{{17, 17}, {135, 17}, {136, 17}},
{{17, 16}, {19, 16}, {135, 16}},
{{22, 17}, {17, 17}, {136, 17}},
{{20, 18}, {136, 18}, {137, 18}},
{{20, 18}, {22, 18}, {136, 18}},
{{25, 19}, {137, 19}, {138, 19}},
{{25, 19}, {20, 19}, {137, 19}},
{{24, 3}, {139, 3}, {140, 3}},
{{24, 20}, {138, 20}, {139, 20}},
{{24, 20}, {25, 20}, {138, 20}},
{{16, 3}, {24, 3}, {140, 3}},
{{15, 21}, {16, 21}, {140, 21}},
{{15, 21}, {140, 21}, {141, 21}},
{{12, 22}, {15, 22}, {141, 22}},
{{12, 23}, {142, 23}, {143, 23}},
{{12, 22}, {141, 22}, {142, 22}},
{{10, 23}, {12, 23}, {143, 23}},
{{ 7, 24}, {10, 24}, {143, 24}},
{{ 7, 24}, {143, 24}, {126, 24}},
{{144, 25}, {72, 25}, {47, 25}},
{{144, 25}, {145, 25}, {72, 25}},
{{146, 25}, {72, 25}, {145, 25}},
{{44, 25}, {146, 25}, {144, 25}},
{{44, 25}, {72, 25}, {146, 25}},
{{44, 25}, {144, 25}, {47, 25}},
{{147, 26}, {96, 26}, {65, 26}},
{{148, 26}, {147, 26}, {65, 26}},
{{149, 26}, {96, 26}, {147, 26}},
{{150, 26}, {148, 26}, {65, 26}},
{{72, 26}, {150, 26}, {65, 26}},
{{151, 26}, {91, 26}, {96, 26}},
{{151, 26}, {96, 26}, {149, 26}},
{{152, 26}, {150, 26}, {72, 26}},
{{153, 26}, {91, 26}, {151, 26}},
{{154, 26}, {152, 26}, {72, 26}},
{{155, 26}, {91, 26}, {153, 26}},
{{156, 26}, {154, 26}, {72, 26}},
{{114, 26}, {155, 26}, {157, 26}},
{{114, 26}, {157, 26}, {158, 26}},
{{114, 26}, {91, 26}, {155, 26}},
{{44, 26}, {159, 26}, {160, 26}},
{{44, 26}, {160, 26}, {156, 26}},
{{44, 26}, {156, 26}, {72, 26}},
{{38, 26}, {161, 26}, {162, 26}},
{{38, 26}, {162, 26}, {159, 26}},
{{38, 26}, {159, 26}, {44, 26}},
{{121, 26}, {158, 26}, {163, 26}},
{{121, 26}, {163, 26}, {164, 26}},
{{121, 26}, {164, 26}, {161, 26}},
{{121, 26}, {114, 26}, {158, 26}},
{{121, 26}, {161, 26}, {38, 26}},
{{165, 27}, {33, 27}, {121, 27}},
{{165, 27}, {121, 27}, {166, 27}},
{{167, 27}, {166, 27}, {121, 27}},
{{38, 27}, {167, 27}, {121, 27}},
{{38, 27}, {33, 27}, {165, 27}},
{{38, 27}, {165, 27}, {167, 27}},
{{168, 28}, {169, 28}, {39, 28}},
{{168, 28}, {39, 28}, {46, 28}},
{{170, 29}, {45, 29}, {49, 29}},
{{170, 30}, {46, 30}, {45, 30}},
{{170, 30}, {168, 30}, {46, 30}},
{{171, 29}, {170, 29}, {49, 29}},
{{172, 31}, {49, 31}, {48, 31}},
{{172, 31}, {171, 31}, {49, 31}},
{{173, 7}, {48, 7}, {43, 7}},
{{173, 7}, {172, 7}, {48, 7}},
{{174, 32}, {43, 32}, {42, 32}},
{{174, 32}, {173, 32}, {43, 32}},
{{175, 33}, {36, 33}, {34, 33}},
{{175, 34}, {42, 34}, {36, 34}},
{{175, 34}, {174, 34}, {42, 34}},
{{176, 35}, {34, 35}, {31, 35}},
{{176, 33}, {175, 33}, {34, 33}},
{{177, 35}, {176, 35}, {31, 35}},
{{178, 36}, {29, 36}, {26, 36}},
{{178, 37}, {31, 37}, {29, 37}},
{{178, 37}, {177, 37}, {31, 37}},
{{179, 36}, {178, 36}, {26, 36}},
{{180, 38}, {26, 38}, {28, 38}},
{{180, 38}, {179, 38}, {26, 38}},
{{181, 39}, {28, 39}, {30, 39}},
{{181, 39}, {180, 39}, {28, 39}},
{{182, 40}, {32, 40}, {35, 40}},
{{182, 3}, {30, 3}, {32, 3}},
{{182, 3}, {181, 3}, {30, 3}},
{{183, 40}, {182, 40}, {35, 40}},
{{184, 41}, {183, 41}, {35, 41}},
{{184, 42}, {37, 42}, {40, 42}},
{{184, 41}, {35, 41}, {37, 41}},
{{185, 42}, {184, 42}, {40, 42}},
{{169, 43}, {185, 43}, {40, 43}},
{{169, 43}, {40, 43}, {39, 43}},
{{128, 26}, {76, 26}, {77, 26}},
{{129, 26}, {128, 26}, {77, 26}},
{{127, 26}, {76, 26}, {128, 26}},
{{130, 26}, {129, 26}, {77, 26}},
{{126, 26}, {76, 26}, {127, 26}},
{{101, 26}, {76, 26}, {126, 26}},
{{51, 26}, {131, 26}, {130, 26}},
{{51, 26}, {130, 26}, {77, 26}},
{{143, 26}, {101, 26}, {126, 26}},
{{132, 26}, {131, 26}, {51, 26}},
{{142, 26}, {101, 26}, {143, 26}},
{{133, 26}, {132, 26}, {51, 26}},
{{102, 26}, {142, 26}, {141, 26}},
{{102, 26}, {101, 26}, {142, 26}},
{{140, 26}, {102, 26}, {141, 26}},
{{50, 26}, {134, 26}, {133, 26}},
{{50, 26}, {133, 26}, {51, 26}},
{{135, 26}, {134, 26}, {50, 26}},
{{139, 26}, {102, 26}, {140, 26}},
{{123, 26}, {137, 26}, {136, 26}},
{{123, 26}, {136, 26}, {135, 26}},
{{123, 26}, {135, 26}, {50, 26}},
{{124, 26}, {139, 26}, {138, 26}},
{{124, 26}, {138, 26}, {137, 26}},
{{124, 26}, {102, 26}, {139, 26}},
{{124, 26}, {137, 26}, {123, 26}},
{{123, 5}, {179, 5}, {125, 5}},
{{179, 5}, {180, 5}, {125, 5}},
{{123, 5}, {178, 5}, {179, 5}},
{{180, 5}, {181, 5}, {125, 5}},
{{123, 5}, {177, 5}, {178, 5}},
{{123, 5}, {50, 5}, {177, 5}},
{{125, 5}, {182, 5}, {165, 5}},
{{181, 5}, {182, 5}, {125, 5}},
{{50, 5}, {176, 5}, {177, 5}},
{{182, 5}, {183, 5}, {165, 5}},
{{50, 5}, {175, 5}, {176, 5}},
{{183, 5}, {184, 5}, {165, 5}},
{{185, 5}, {167, 5}, {184, 5}},
{{184, 5}, {167, 5}, {165, 5}},
{{175, 5}, {52, 5}, {174, 5}},
{{174, 5}, {52, 5}, {173, 5}},
{{50, 5}, {52, 5}, {175, 5}},
{{185, 5}, {169, 5}, {167, 5}},
{{52, 5}, {172, 5}, {173, 5}},
{{170, 5}, {146, 5}, {168, 5}},
{{168, 5}, {146, 5}, {169, 5}},
{{169, 5}, {146, 5}, {167, 5}},
{{172, 5}, {144, 5}, {171, 5}},
{{171, 5}, {144, 5}, {170, 5}},
{{52, 5}, {144, 5}, {172, 5}},
{{170, 5}, {144, 5}, {146, 5}},
{{75, 7}, {186, 7}, {77, 7}},
{{75, 7}, {187, 7}, {186, 7}},
{{186, 7}, {188, 7}, {77, 7}},
{{75, 7}, {189, 7}, {187, 7}},
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geometry/wiffle.obj Normal file
View File

@ -0,0 +1,906 @@
# Blender 3.3.6
# www.blender.org
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f 254//15 252//15 153//15
f 256//16 157//16 161//16
f 256//14 155//14 157//14
f 256//14 254//14 155//14
f 259//17 161//17 160//17
f 259//16 256//16 161//16
f 260//17 259//17 160//17
f 262//19 163//19 162//19
f 262//18 160//18 163//18
f 262//18 260//18 160//18
f 261//19 262//19 162//19
f 264//20 162//20 165//20
f 264//20 261//20 162//20
f 263//21 165//21 164//21
f 263//21 264//21 165//21
f 258//22 159//22 158//22
f 258//4 164//4 159//4
f 258//4 263//4 164//4
f 257//22 258//22 158//22
f 255//23 257//23 158//23
f 255//24 156//24 154//24
f 255//23 158//23 156//23
f 253//24 255//24 154//24
f 251//25 253//25 154//25
f 251//25 154//25 152//25