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cube and tesseract frame toggles, rotation experiments

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This commit is contained in:
David Allemang
2018-12-20 22:46:58 -05:00
parent 5580899074
commit 0b87482276
4 changed files with 88 additions and 40 deletions
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6
simplex/shaders/sect.geom
View File

@@ -9,6 +9,8 @@ layout(std430, binding=1) buffer Positions {
layout(std140, binding=1) uniform Matrices {
mat4 model;
vec4 offset;
mat4 view;
mat4 proj;
};
@@ -19,13 +21,13 @@ out vec4 pos;
void emit(vec4 v) {
pos = v;
gl_Position = proj * view * vec4(v.xyz, -v.w + 3);
gl_Position = proj * view * vec4(v.xyz, 1);
EmitVertex();
}
void main() {
vec4 pos4[4];
for(int i = 0; i < 4; ++i) pos4[i] = model * verts[inds[0][i]];
for(int i = 0; i < 4; ++i) pos4[i] = offset + model * verts[inds[0][i]];
int lo[4], L = 0;
int hi[4], H = 0;

4
simplex/shaders/wire.frag
View File

@@ -15,5 +15,7 @@ void main() {
float s = 1;
float v = smoothstep(3, -3, pos.z) / 2;
fcolor = vec4(hsv2rgb(vec3(h, s, v)), 1);
vec3 hsv = vec3(h, s, v);
fcolor = vec4(hsv2rgb(hsv), 1);
}

6
simplex/shaders/wire.geom
View File

@@ -9,6 +9,8 @@ layout(std430, binding=1) buffer Positions {
layout(std140, binding=1) uniform Matrices {
mat4 model;
vec4 offset;
mat4 view;
mat4 proj;
};
@@ -19,13 +21,13 @@ out vec4 pos;
void emit(vec4 v) {
pos = v;
gl_Position = proj * view * vec4(v.xyz, -v.w + 3);
gl_Position = proj * view * vec4(v.xyz, 1 - v.w / 2);
EmitVertex();
}
void main() {
vec4 pos4[4];
for(int i = 0; i < 4; ++i) pos4[i] = model * verts[inds[0][i]];
for(int i = 0; i < 4; ++i) pos4[i] = offset + model * verts[inds[0][i]];
for(int i = 0; i < 4; ++i) {
for(int j = i + 1; j < 4; ++j) {

112
simplex/src/main.cpp
View File

@@ -16,8 +16,14 @@
#include <cstdio>
#include <vector>
extern "C" {
__attribute__((dllexport)) DWORD NvOptimusEnablement = 0x00000001;
}
struct Matrices {
glm::mat4 model;
glm::vec4 offset;
glm::mat4 view;
glm::mat4 proj;
};
@@ -94,44 +100,72 @@ class GLApp : public App {
bool DRAW_WIRE = true;
void init() override {
build_tesseract(&cell_elems, &cell_verts, {-1, -1, -1, +0}, {0.125, 0.125, 0.125, 1.125});
build_tesseract(&cell_elems, &cell_verts, {-1, -1, +1, +0}, {0.125, 0.125, 0.125, 1.125});
build_tesseract(&cell_elems, &cell_verts, {-1, +1, -1, +0}, {0.125, 0.125, 0.125, 1.125});
build_tesseract(&cell_elems, &cell_verts, {-1, +1, +1, +0}, {0.125, 0.125, 0.125, 1.125});
build_tesseract(&cell_elems, &cell_verts, {+1, -1, -1, +0}, {0.125, 0.125, 0.125, 1.125});
build_tesseract(&cell_elems, &cell_verts, {+1, -1, +1, +0}, {0.125, 0.125, 0.125, 1.125});
build_tesseract(&cell_elems, &cell_verts, {+1, +1, -1, +0}, {0.125, 0.125, 0.125, 1.125});
build_tesseract(&cell_elems, &cell_verts, {+1, +1, +1, +0}, {0.125, 0.125, 0.125, 1.125});
const bool CUBE = false;
const bool TESS = true;
build_tesseract(&cell_elems, &cell_verts, {-1, -1, +0, -1}, {0.125, 0.125, 0.875, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-1, -1, +0, +1}, {0.125, 0.125, 0.875, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-1, +1, +0, -1}, {0.125, 0.125, 0.875, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-1, +1, +0, +1}, {0.125, 0.125, 0.875, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+1, -1, +0, -1}, {0.125, 0.125, 0.875, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+1, -1, +0, +1}, {0.125, 0.125, 0.875, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+1, +1, +0, -1}, {0.125, 0.125, 0.875, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+1, +1, +0, +1}, {0.125, 0.125, 0.875, 0.125});
//region tesseract frame
if (TESS) {
build_tesseract(&cell_elems, &cell_verts, {-0.875, -0.875, -0.875, +0.00}, {0.125, 0.125, 0.125, 1.000});
build_tesseract(&cell_elems, &cell_verts, {-0.875, -0.875, +0.875, +0.00}, {0.125, 0.125, 0.125, 1.000});
build_tesseract(&cell_elems, &cell_verts, {-0.875, +0.875, -0.875, +0.00}, {0.125, 0.125, 0.125, 1.000});
build_tesseract(&cell_elems, &cell_verts, {-0.875, +0.875, +0.875, +0.00}, {0.125, 0.125, 0.125, 1.000});
build_tesseract(&cell_elems, &cell_verts, {+0.875, -0.875, -0.875, +0.00}, {0.125, 0.125, 0.125, 1.000});
build_tesseract(&cell_elems, &cell_verts, {+0.875, -0.875, +0.875, +0.00}, {0.125, 0.125, 0.125, 1.000});
build_tesseract(&cell_elems, &cell_verts, {+0.875, +0.875, -0.875, +0.00}, {0.125, 0.125, 0.125, 1.000});
build_tesseract(&cell_elems, &cell_verts, {+0.875, +0.875, +0.875, +0.00}, {0.125, 0.125, 0.125, 1.000});
build_tesseract(&cell_elems, &cell_verts, {-1, +0, -1, -1}, {0.125, 0.875, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-1, +0, -1, +1}, {0.125, 0.875, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-1, +0, +1, -1}, {0.125, 0.875, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-1, +0, +1, +1}, {0.125, 0.875, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+1, +0, -1, -1}, {0.125, 0.875, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+1, +0, -1, +1}, {0.125, 0.875, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+1, +0, +1, -1}, {0.125, 0.875, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+1, +0, +1, +1}, {0.125, 0.875, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-0.875, -0.875, +0.00, -0.875}, {0.125, 0.125, 0.750, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-0.875, -0.875, +0.00, +0.875}, {0.125, 0.125, 0.750, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-0.875, +0.875, +0.00, -0.875}, {0.125, 0.125, 0.750, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-0.875, +0.875, +0.00, +0.875}, {0.125, 0.125, 0.750, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.875, -0.875, +0.00, -0.875}, {0.125, 0.125, 0.750, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.875, -0.875, +0.00, +0.875}, {0.125, 0.125, 0.750, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.875, +0.875, +0.00, -0.875}, {0.125, 0.125, 0.750, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.875, +0.875, +0.00, +0.875}, {0.125, 0.125, 0.750, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0, -1, -1, -1}, {0.875, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0, -1, -1, +1}, {0.875, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0, -1, +1, -1}, {0.875, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0, -1, +1, +1}, {0.875, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0, +1, -1, -1}, {0.875, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0, +1, -1, +1}, {0.875, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0, +1, +1, -1}, {0.875, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0, +1, +1, +1}, {0.875, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-0.875, +0.00, -0.875, -0.875}, {0.125, 0.750, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-0.875, +0.00, -0.875, +0.875}, {0.125, 0.750, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-0.875, +0.00, +0.875, -0.875}, {0.125, 0.750, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-0.875, +0.00, +0.875, +0.875}, {0.125, 0.750, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.875, +0.00, -0.875, -0.875}, {0.125, 0.750, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.875, +0.00, -0.875, +0.875}, {0.125, 0.750, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.875, +0.00, +0.875, -0.875}, {0.125, 0.750, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.875, +0.00, +0.875, +0.875}, {0.125, 0.750, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.00, -0.875, -0.875, -0.875}, {0.750, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.00, -0.875, -0.875, +0.875}, {0.750, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.00, -0.875, +0.875, -0.875}, {0.750, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.00, -0.875, +0.875, +0.875}, {0.750, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.00, +0.875, -0.875, -0.875}, {0.750, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.00, +0.875, -0.875, +0.875}, {0.750, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.00, +0.875, +0.875, -0.875}, {0.750, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.00, +0.875, +0.875, +0.875}, {0.750, 0.125, 0.125, 0.125});
}
//endregion
//region cube frame
if (CUBE) {
build_tesseract(&cell_elems, &cell_verts, {-0.875, -0.875, +0.00, +0.00}, {0.125, 0.125, 1.000, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-0.875, +0.875, +0.00, +0.00}, {0.125, 0.125, 1.000, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.875, -0.875, +0.00, +0.00}, {0.125, 0.125, 1.000, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.875, +0.875, +0.00, +0.00}, {0.125, 0.125, 1.000, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-0.875, +0.00, -0.875, +0.00}, {0.125, 0.750, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {-0.875, +0.00, +0.875, +0.00}, {0.125, 0.750, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.875, +0.00, -0.875, +0.00}, {0.125, 0.750, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.875, +0.00, +0.875, +0.00}, {0.125, 0.750, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.00, -0.875, -0.875, +0.00}, {0.750, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.00, -0.875, +0.875, +0.00}, {0.750, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.00, +0.875, -0.875, +0.00}, {0.750, 0.125, 0.125, 0.125});
build_tesseract(&cell_elems, &cell_verts, {+0.00, +0.875, +0.875, +0.00}, {0.750, 0.125, 0.125, 0.125});
}
//endregion
matrices = {
glm::identity<glm::mat4>(),
glm::vec4(0),
glm::identity<glm::mat4>(),
glm::identity<glm::mat4>(),
};
@@ -191,9 +225,17 @@ class GLApp : public App {
glfwGetFramebufferSize(getWindow(), &width, &height);
float ratio = (float) width / height;
matrices.model =
rotor(glm::vec4(0, 1, 0, 0), glm::vec4(0, 0, 1, 0), getTime() / 4) *
rotor(glm::vec4(1, 1, 1, 0), glm::vec4(0, 0, 0, 1), getTime() / 5);
matrices.model = glm::identity<glm::mat4>() *
// rotor(glm::vec4(1, 0, 0, 0), glm::vec4(0, 1, 0, 0), getTime() / 5) *
// rotor(glm::vec4(1, 1, 1, 0), glm::vec4(0, 0, 0, 1), 1) *
// rotor(glm::vec4(1, 0, 0, 0), glm::vec4(0, 0, 0, 1), 1) *
rotor(glm::vec4(1, 1, 1, 0), glm::vec4(0, 0, 0, 1), getTime() / 4) *
rotor(glm::vec4(1, 0, 0, 0), glm::vec4(0, 0, 0, 1), getTime() / 5) *
1.f;
// matrices.offset.w = sin(getTime() / 3) * 1.8f;
matrices.view = glm::lookAt(glm::vec3(0, 0, -4), glm::vec3(0, 0, 0), glm::vec3(0, 1, 0));
matrices.proj = glm::perspective(1.f, ratio, 0.1f, 20.0f);