ofMesh – ページ 39 – プログラミング de 落描き

2022年11月2日

Red and blue box. Draw by openFrameworks

[ Video ]

[ About ]
赤と青。

[ 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 mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;
};

#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 mouseEntered(int x, int y) {};

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

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofSetColor(5);
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	int span = 30;
	int size = span * 0.75;

	vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 0, 255) };

	for (int i = 0; i < color_list.size(); i++) {

		auto color = color_list[i];
		auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

		for (int x = span * -12; x <= span * 12; x += span) {

			auto noise_y = ofMap(ofNoise(noise_seed.x, x * 0.003 + ofGetFrameNum() * 0.005), 0, 1, span * -12, span * 12);

			for (int y = span * -12; y <= span * 12; y += span) {

				auto gap_y = abs(noise_y - y);
				auto alpha = 0;
				if (gap_y <= span * 3) {

					alpha = ofMap(gap_y, 0, span * 3, 255, 0);
				}
				auto height = ofMap(alpha, 0, 255, 0, span * 6);

				if (alpha > 0) {

					ofFill();
					ofSetColor(ofColor(0));
					ofDrawBox(glm::vec3(x, y, height * 0.5), size, size, height);

					ofNoFill();
					ofSetColor(color);
					ofDrawBox(glm::vec3(x, y, height * 0.5), size, size, height);
				}

				ofSetColor(128);
				ofDrawRectangle(x, y, size, size);
			}
		}
	}

	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);

ofSetColor(5);

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

int span = 30;

int size = span * 0.75;

vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 0, 255) };

for (int i = 0; i < color_list.size(); i++) {

auto color = color_list[i];

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

for (int x = span * -12; x <= span * 12; x += span) {

auto noise_y = ofMap(ofNoise(noise_seed.x, x * 0.003 + ofGetFrameNum() * 0.005), 0, 1, span * -12, span * 12);

for (int y = span * -12; y <= span * 12; y += span) {

auto gap_y = abs(noise_y - y);

auto alpha = 0;

if (gap_y <= span * 3) {

alpha = ofMap(gap_y, 0, span * 3, 255, 0);

}

auto height = ofMap(alpha, 0, 255, 0, span * 6);

if (alpha > 0) {

ofFill();

ofSetColor(ofColor(0));

ofDrawBox(glm::vec3(x, y, height * 0.5), size, size, height);

ofNoFill();

ofSetColor(color);

ofDrawBox(glm::vec3(x, y, height * 0.5), size, size, height);

}

ofSetColor(128);

ofDrawRectangle(x, y, size, size);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221102

2022年10月29日2022年10月29日

whirlpool. Draw by openFrameworks

[ Video ]

[ About ]
渦巻。

[ Source ]

#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 mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofMesh mesh;
};

#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 mouseEntered(int x, int y) {};

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

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetColor(255);
	ofSetLineWidth(0.5);

	ofNoFill();
	ofSetCircleResolution(120);

	this->mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);

	this->mesh.clear();
	int max_radius = 300;

	for (float deg = 0; deg < 360; deg += 0.2) {

		int base = ofRandom(max_radius);
		int speed = ofRandom(2, 10);
		int tmp_deg = deg + ofGetFrameNum() * speed;

		auto radius = max_radius - (base + ofGetFrameNum() * speed) % max_radius;
		auto location_1 = glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD), 0);
		auto color_1 = ofColor(255, radius > max_radius - 50 ? 255 : radius < 50 ? 0 : ofMap(radius, 50, max_radius - 50, 0, 255));

		tmp_deg += speed;
		
		radius = max_radius - (base + (ofGetFrameNum() + 2) * speed) % max_radius;
		auto location_2 = glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD), 0);
		auto color_2 = ofColor(255, radius > max_radius - 50 ? 255 : radius < 50 ? 0 : ofMap(radius, 50, max_radius - 50, 0, 255));

		if (glm::distance(location_1, location_2) < 100) {

			this->mesh.addVertex(location_1);
			this->mesh.addVertex(location_2);

			this->mesh.addColor(color_1);
			this->mesh.addColor(color_2);

			this->mesh.addIndex(this->mesh.getNumVertices() - 1);
			this->mesh.addIndex(this->mesh.getNumVertices() - 2);
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	this->mesh.drawWireframe();

	ofNoFill();
	ofSetColor(255);
	ofDrawCircle(glm::vec2(), 300);
}


//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetColor(255);

ofSetLineWidth(0.5);

ofNoFill();

ofSetCircleResolution(120);

this->mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

int max_radius = 300;

for (float deg = 0; deg < 360; deg += 0.2) {

int base = ofRandom(max_radius);

int speed = ofRandom(2, 10);

int tmp_deg = deg + ofGetFrameNum() * speed;

auto radius = max_radius - (base + ofGetFrameNum() * speed) % max_radius;

auto location_1 = glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD), 0);

auto color_1 = ofColor(255, radius > max_radius - 50 ? 255 : radius < 50 ? 0 : ofMap(radius, 50, max_radius - 50, 0, 255));

tmp_deg += speed;

radius = max_radius - (base + (ofGetFrameNum() + 2) * speed) % max_radius;

auto location_2 = glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD), 0);

auto color_2 = ofColor(255, radius > max_radius - 50 ? 255 : radius < 50 ? 0 : ofMap(radius, 50, max_radius - 50, 0, 255));

if (glm::distance(location_1, location_2) < 100) {

this->mesh.addVertex(location_1);

this->mesh.addVertex(location_2);

this->mesh.addColor(color_1);

this->mesh.addColor(color_2);

this->mesh.addIndex(this->mesh.getNumVertices() - 1);

this->mesh.addIndex(this->mesh.getNumVertices() - 2);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->mesh.drawWireframe();

ofNoFill();

ofSetColor(255);

ofDrawCircle(glm::vec2(), 300);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221029

2022年10月28日

Cage of random walk. Draw by openFrameworks

[ Video ]

[ About ]
ランダムウォークの籠。

[ 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) {};

	void draw_arc(vector<glm::vec3> vertices_1, vector<glm::vec3> vertices_2);

	vector<glm::vec3> location_list;
	vector<int> rotate_param_list;
	vector<int> deg_start_list;
	vector<int> deg_end_list;
	vector<bool> flag_list;

	ofEasyCam cam;
};

#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) {};

void draw_arc(vector<glm::vec3> vertices_1, vector<glm::vec3> vertices_2);

vector<glm::vec3> location_list;

vector<int> rotate_param_list;

vector<int> deg_start_list;

vector<int> deg_end_list;

vector<bool> flag_list;

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofEnableDepthTest();
	ofSetLineWidth(2.5);

	int size = 90;
	for (int x = ofGetWidth() * -0.5 + size * 0.5; x <= ofGetWidth() * 0.5 - size * 0.5; x += size) {

		for (int y = ofGetHeight() * -0.5 + size * 0.5; y <= ofGetHeight() * 0.5 - size * 0.5; y += size) {

			this->location_list.push_back(glm::vec3(x, y, 360));

			int rotate_param = ofRandom(4);
			this->rotate_param_list.push_back(rotate_param);

			this->deg_start_list.push_back(0);
			this->deg_end_list.push_back(90);
			this->flag_list.push_back(false);
		}
	}
}

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

	for (int i = 0; i < this->location_list.size(); i++) {

		if (ofGetFrameNum() % 9 == 0) {

			if (ofRandom(100) < 10) { this->flag_list[i] = true; }
		}

		if (this->flag_list[i]) {

			if (this->deg_end_list[i] < 90) {

				this->deg_end_list[i] += 10;
			}
			else {

				this->deg_start_list[i] += 10;
				if (this->deg_start_list[i] >= 90) {

					this->deg_end_list[i] = 0;
					this->deg_start_list[i] = 0;
					this->rotate_param_list[i] = (this->rotate_param_list[i] + 1) % this->rotate_param_list.size();
				}
			}

			if (this->deg_start_list[i] == 0 && this->deg_end_list[i] == 90) { this->flag_list[i] = false; }
		}
	}
}

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

	this->cam.begin();

	ofRotateY(ofGetFrameNum());
	//ofRotateX(ofGetFrameNum() * 1.2);

	int size = 90;
	int radius = size * 0.5;
	int width = 10;
	for (int i = 0; i < 6; i++) {

		if (i < 4) {
			ofRotateY(90);
		}
		else if (i < 5) {

			ofRotateX(90);
		}
		else if (i < 6) {

			ofRotateX(180);
		}

		for (int i = 0; i < this->location_list.size(); i++) {

			ofPushMatrix();
			ofTranslate(this->location_list[i].x, this->location_list[i].y);
			ofRotate(90 * this->rotate_param_list[i]);

			vector<glm::vec3> vertices_1, vertices_2;
			for (int deg = this->deg_start_list[i]; deg <= this->deg_end_list[i]; deg += 2) {

				vertices_1.push_back(glm::vec3(size * -0.5 + (radius + width) * cos(deg * DEG_TO_RAD), size * -0.5 + (radius + width) * sin(deg * DEG_TO_RAD), 360));
				vertices_2.push_back(glm::vec3(size * -0.5 + (radius - width) * cos(deg * DEG_TO_RAD), size * -0.5 + (radius - width) * sin(deg * DEG_TO_RAD), 360));
			}

			this->draw_arc(vertices_1, vertices_2);

			vertices_1.clear();
			vertices_2.clear();
			for (int deg = 180 + this->deg_start_list[i]; deg <= 180 + this->deg_end_list[i]; deg += 2) {

				vertices_1.push_back(glm::vec3(size * 0.5 + (radius + width) * cos(deg * DEG_TO_RAD), size * 0.5 + (radius + width) * sin(deg * DEG_TO_RAD), 360));
				vertices_2.push_back(glm::vec3(size * 0.5 + (radius - width) * cos(deg * DEG_TO_RAD), size * 0.5 + (radius - width) * sin(deg * DEG_TO_RAD), 360));
			}

			this->draw_arc(vertices_1, vertices_2);

			ofPopMatrix();
		}
	}

	ofSeedRandom(39);

	ofColor color;
	ofFill();
	for (int i = 0; i < 90; i++) {

		color.setHsb(ofRandom(255), 130, 255);
		ofSetColor(color);

		auto location = glm::vec3(
			ofMap(ofNoise(ofRandom(1000) + ofGetFrameNum() * 0.01), 0, 1, -450, 450),
			ofMap(ofNoise(ofRandom(1000) + ofGetFrameNum() * 0.01), 0, 1, -450, 450),
			ofMap(ofNoise(ofRandom(1000) + ofGetFrameNum() * 0.01), 0, 1, -450, 450));
		ofDrawSphere(location, 30);
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::draw_arc(vector<glm::vec3> vertices_1, vector<glm::vec3> vertices_2) {

	ofFill();
	ofSetColor(0);
	std::reverse(vertices_2.begin(), vertices_2.end());

	ofBeginShape();
	ofVertices(vertices_1);
	ofVertices(vertices_2);
	ofEndShape(true);

	ofNoFill();
	ofSetColor(255);

	ofBeginShape();
	ofVertices(vertices_1);
	ofEndShape(false);

	ofBeginShape();
	ofVertices(vertices_2);
	ofEndShape(false);

	//ofDrawLine(vertices_1[0], vertices_2[vertices_2.size() - 1]);
	//ofDrawLine(vertices_1[vertices_1.size() - 1], vertices_2[0]);
}

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

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

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableDepthTest();

ofSetLineWidth(2.5);

int size = 90;

for (int x = ofGetWidth() * -0.5 + size * 0.5; x <= ofGetWidth() * 0.5 - size * 0.5; x += size) {

for (int y = ofGetHeight() * -0.5 + size * 0.5; y <= ofGetHeight() * 0.5 - size * 0.5; y += size) {

this->location_list.push_back(glm::vec3(x, y, 360));

int rotate_param = ofRandom(4);

this->rotate_param_list.push_back(rotate_param);

this->deg_start_list.push_back(0);

this->deg_end_list.push_back(90);

this->flag_list.push_back(false);

}

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

void ofApp::update() {

for (int i = 0; i < this->location_list.size(); i++) {

if (ofGetFrameNum() % 9 == 0) {

if (ofRandom(100) < 10) { this->flag_list[i] = true; }

}

if (this->flag_list[i]) {

if (this->deg_end_list[i] < 90) {

this->deg_end_list[i] += 10;

}

else {

this->deg_start_list[i] += 10;

if (this->deg_start_list[i] >= 90) {

this->deg_end_list[i] = 0;

this->deg_start_list[i] = 0;

this->rotate_param_list[i] = (this->rotate_param_list[i] + 1) % this->rotate_param_list.size();

}

if (this->deg_start_list[i] == 0 && this->deg_end_list[i] == 90) { this->flag_list[i] = false; }

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

//ofRotateX(ofGetFrameNum() * 1.2);

int size = 90;

int radius = size * 0.5;

int width = 10;

for (int i = 0; i < 6; i++) {

if (i < 4) {

ofRotateY(90);

}

else if (i < 5) {

ofRotateX(90);

}

else if (i < 6) {

ofRotateX(180);

}

for (int i = 0; i < this->location_list.size(); i++) {

ofPushMatrix();

ofTranslate(this->location_list[i].x, this->location_list[i].y);

ofRotate(90 * this->rotate_param_list[i]);

vector<glm::vec3> vertices_1, vertices_2;

for (int deg = this->deg_start_list[i]; deg <= this->deg_end_list[i]; deg += 2) {

vertices_1.push_back(glm::vec3(size * -0.5 + (radius + width) * cos(deg * DEG_TO_RAD), size * -0.5 + (radius + width) * sin(deg * DEG_TO_RAD), 360));

vertices_2.push_back(glm::vec3(size * -0.5 + (radius - width) * cos(deg * DEG_TO_RAD), size * -0.5 + (radius - width) * sin(deg * DEG_TO_RAD), 360));

}

this->draw_arc(vertices_1, vertices_2);

vertices_1.clear();

vertices_2.clear();

for (int deg = 180 + this->deg_start_list[i]; deg <= 180 + this->deg_end_list[i]; deg += 2) {

vertices_1.push_back(glm::vec3(size * 0.5 + (radius + width) * cos(deg * DEG_TO_RAD), size * 0.5 + (radius + width) * sin(deg * DEG_TO_RAD), 360));

vertices_2.push_back(glm::vec3(size * 0.5 + (radius - width) * cos(deg * DEG_TO_RAD), size * 0.5 + (radius - width) * sin(deg * DEG_TO_RAD), 360));

}

this->draw_arc(vertices_1, vertices_2);

ofPopMatrix();

}

ofSeedRandom(39);

ofColor color;

ofFill();

for (int i = 0; i < 90; i++) {

color.setHsb(ofRandom(255), 130, 255);

ofSetColor(color);

auto location = glm::vec3(

ofMap(ofNoise(ofRandom(1000) + ofGetFrameNum() * 0.01), 0, 1, -450, 450),

ofMap(ofNoise(ofRandom(1000) + ofGetFrameNum() * 0.01), 0, 1, -450, 450));

ofDrawSphere(location, 30);

}

this->cam.end();

}

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

void ofApp::draw_arc(vector<glm::vec3> vertices_1, vector<glm::vec3> vertices_2) {

ofFill();

ofSetColor(0);

std::reverse(vertices_2.begin(), vertices_2.end());

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofNoFill();

ofSetColor(255);

ofBeginShape();

ofVertices(vertices_1);

ofEndShape(false);

ofBeginShape();

ofVertices(vertices_2);

ofEndShape(false);

//ofDrawLine(vertices_1[0], vertices_2[vertices_2.size() - 1]);

//ofDrawLine(vertices_1[vertices_1.size() - 1], vertices_2[0]);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221028

2025年2月
月	火	水	木	金	土	日
					1	2
3	4	5	6	7	8	9
10	11	12	13	14	15	16
17	18	19	20	21	22	23
24	25	26	27	28