sphere – ページ 7 – プログラミング de 落描き

2023年2月22日

Noise planet. Draw by openFrameworks

[ Video ]

[ About ]
ノイズの惑星。

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;

	ofMesh mesh, draw_mesh, line_mesh;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh mesh, draw_mesh, line_mesh;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(300, 4);
	this->mesh = ico_sphere.getMesh();
}

//--------------------------------------------------------------
void ofApp::update() {

	this->draw_mesh = this->mesh;
	this->line_mesh = this->mesh;

	for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) {

		glm::vec3 vertex = this->draw_mesh.getVertex(i);
		auto noise_value = ofNoise(glm::vec4(vertex * 0.005, ofGetFrameNum() * 0.0005));

		if (noise_value > 0.46 && noise_value < 0.5) {

			vertex = glm::normalize(vertex) * ofMap(noise_value, 0.46, 0.5, 300, 350);
		}
		else if (noise_value > 0.5 && noise_value < 0.54) {

			vertex = glm::normalize(vertex) * ofMap(noise_value, 0.5, 0.54, 350, 300);
		}

		this->draw_mesh.setVertex(i, vertex);
		this->line_mesh.setVertex(i, vertex);
		this->draw_mesh.addColor(ofColor(0));
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.37);

	this->draw_mesh.draw();

	ofSetColor(255);
	this->line_mesh.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(2);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(300, 4);

this->mesh = ico_sphere.getMesh();

}

//--------------------------------------------------------------

void ofApp::update() {

this->draw_mesh = this->mesh;

this->line_mesh = this->mesh;

for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) {

glm::vec3 vertex = this->draw_mesh.getVertex(i);

auto noise_value = ofNoise(glm::vec4(vertex * 0.005, ofGetFrameNum() * 0.0005));

if (noise_value > 0.46 && noise_value < 0.5) {

vertex = glm::normalize(vertex) * ofMap(noise_value, 0.46, 0.5, 300, 350);

}

else if (noise_value > 0.5 && noise_value < 0.54) {

vertex = glm::normalize(vertex) * ofMap(noise_value, 0.5, 0.54, 350, 300);

}

this->draw_mesh.setVertex(i, vertex);

this->line_mesh.setVertex(i, vertex);

this->draw_mesh.addColor(ofColor(0));

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.37);

this->draw_mesh.draw();

ofSetColor(255);

this->line_mesh.drawWireframe();

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230222

2022年12月19日

depressed sphere. Draw by openFrameworks

[ Video ]

[ About ]
凹球体。

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;

	ofMesh mesh, draw_mesh, line_mesh;
	vector<float> param_list;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh mesh, draw_mesh, line_mesh;

vector<float> param_list;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(300, 5);
	this->mesh = ico_sphere.getMesh();

	for (int i = 0; i < this->mesh.getNumVertices(); i++) {

		this->param_list.push_back(0);
	}
}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

	this->draw_mesh = this->mesh;
	this->line_mesh = this->mesh;

	for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) {
		
		auto vertex = this->draw_mesh.getVertex(i);
		auto noise_value = ofNoise(glm::vec4(vertex * 0.005, ofGetFrameNum() * 0.0085));

		if (noise_value <= 0.45 || noise_value >= 0.55) {
		
			vertex = glm::normalize(vertex) * 0;
		}

		this->draw_mesh.setVertex(i, vertex);
		this->line_mesh.setVertex(i, vertex);
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.37);
	ofRotateY(ofGetFrameNum() * 0.72);

	ofSetColor(0);
	this->draw_mesh.draw();

	ofSetColor(255);
	this->line_mesh.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(2);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(300, 5);

this->mesh = ico_sphere.getMesh();

for (int i = 0; i < this->mesh.getNumVertices(); i++) {

this->param_list.push_back(0);

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

this->draw_mesh = this->mesh;

this->line_mesh = this->mesh;

for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) {

auto vertex = this->draw_mesh.getVertex(i);

auto noise_value = ofNoise(glm::vec4(vertex * 0.005, ofGetFrameNum() * 0.0085));

if (noise_value <= 0.45 || noise_value >= 0.55) {

vertex = glm::normalize(vertex) * 0;

}

this->draw_mesh.setVertex(i, vertex);

this->line_mesh.setVertex(i, vertex);

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.37);

ofRotateY(ofGetFrameNum() * 0.72);

ofSetColor(0);

this->draw_mesh.draw();

ofSetColor(255);

this->line_mesh.drawWireframe();

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221219

2022年12月14日

Distorted spheres. Draw by openFrameworks

[ Video ]

[ About ]
歪み球体。

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;

	ofMesh base_mesh, draw_mesh;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh base_mesh, draw_mesh;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	auto ico_sphere = ofIcoSpherePrimitive(250, 5);
	this->base_mesh = ico_sphere.getMesh();

}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

	this->draw_mesh = this->base_mesh;
	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	for (auto& v : this->draw_mesh.getVertices()) {

		for (int i = 0; i < 3; i++) {

			auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0035, noise_seed.x + ofGetFrameNum() * 0.01)), 0, 1, -30, 30) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0035, noise_seed.y + ofGetFrameNum() * 0.01)), 0, 1, -30, 30) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0035, noise_seed.z + ofGetFrameNum() * 0.01)), 0, 1, -30, 30) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

			v = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x;
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.9999999999999999);

	ofSetColor(255, 64);
	this->draw_mesh.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

auto ico_sphere = ofIcoSpherePrimitive(250, 5);

this->base_mesh = ico_sphere.getMesh();

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

this->draw_mesh = this->base_mesh;

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

for (auto& v : this->draw_mesh.getVertices()) {

for (int i = 0; i < 3; i++) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0035, noise_seed.x + ofGetFrameNum() * 0.01)), 0, 1, -30, 30) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0035, noise_seed.y + ofGetFrameNum() * 0.01)), 0, 1, -30, 30) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0035, noise_seed.z + ofGetFrameNum() * 0.01)), 0, 1, -30, 30) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

v = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x;

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.9999999999999999);

ofSetColor(255, 64);

this->draw_mesh.drawWireframe();

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221214

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