openframeworks – ページ 232 – プログラミング de 落描き

2021年10月3日

Random walker in character. Draw by openFrameworks

[ Video ]

[ About ]
リボン状のランダムウォーカー。

Ribbon-shaped random walker.

[ 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;

	vector<ofMesh> face_list;
	vector<ofMesh> frame_list;
	vector<ofColor> color_list;
	vector<glm::vec3> direction_list;
	vector<glm::vec3> noise_seed_list;
	vector<float> noise_step_list;

	ofFbo fbo;
	ofPixels pixels;
};

#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;

vector<ofMesh> face_list;

vector<ofMesh> frame_list;

vector<ofColor> color_list;

vector<glm::vec3> direction_list;

vector<glm::vec3> noise_seed_list;

vector<float> noise_step_list;

ofFbo fbo;

ofPixels pixels;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();

	this->fbo.allocate(ofGetWidth(), ofGetHeight());
	this->fbo.begin();
	ofClear(0);

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-bold.ttf", 280, true, true, true);
	string word = "NFT";
	font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 + font.stringHeight(word) - 140);

	this->fbo.end();
	this->fbo.readToPixels(this->pixels);

	ofColor color;
	vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 };
	vector<ofColor> base_color_list;
	for (auto hex : hex_list) {

		color.setHex(hex);
		base_color_list.push_back(color);
	}

	for (int i = 0; i < 1000; i++) {

		ofMesh mesh, frame;
		frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

		glm::vec3 base;
		while (true) {

			int x = ofRandom(ofGetWidth());
			int y = ofRandom(ofGetHeight());
			if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

				base = glm::vec3(x, y, ofRandom(-30, 30));
				break;
			}
		}
		switch ((int)ofRandom(3)) {
		case 0:
			mesh.addVertex(base + glm::vec3(3, 0, 0));
			mesh.addVertex(base + glm::vec3(-3, 0, 0));
			frame.addVertex(base + glm::vec3(3, 0, 0));
			frame.addVertex(base + glm::vec3(-3, 0, 0));
			break;
		case 1:
			mesh.addVertex(base + glm::vec3(0, 3, 0));
			mesh.addVertex(base + glm::vec3(0, -3, 0));
			frame.addVertex(base + glm::vec3(0, 3, 0));
			frame.addVertex(base + glm::vec3(0, -3, 0));
			break;
		case 2:
			mesh.addVertex(base + glm::vec3(0, 0, 3));
			mesh.addVertex(base + glm::vec3(0, 0, -3));
			frame.addVertex(base + glm::vec3(0, 0, 3));
			frame.addVertex(base + glm::vec3(0, 0, -3));
			break;
		}

		frame.addIndex(0);
		frame.addIndex(1);

		this->face_list.push_back(mesh);
		this->frame_list.push_back(frame);

		auto direction = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));
		direction = glm::normalize(direction) * 3;
		this->direction_list.push_back(direction);

		auto noise_seed = glm::vec3(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));
		this->noise_seed_list.push_back(noise_seed);

		this->noise_step_list.push_back(0.f);

		ofColor color;
		color.setHsb(ofRandom(255), 130, 255);
		this->color_list.push_back(color);
	}
}

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

	for (int i = this->face_list.size() - 1; i > -1; i--) {

		while (true) {

			this->noise_step_list[i] += 0.005;

			auto angle_x = ofMap(ofNoise(this->noise_seed_list[i].x, this->noise_step_list[i]), 0, 1, -PI, PI);
			auto angle_y = ofMap(ofNoise(this->noise_seed_list[i].y, this->noise_step_list[i]), 0, 1, -PI, PI);
			auto angle_z = ofMap(ofNoise(this->noise_seed_list[i].z, this->noise_step_list[i]), 0, 1, -PI, PI);

			auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

			glm::vec3 rotate_direction = glm::vec4(this->direction_list[i], 0) * rotation_z * rotation_y * rotation_x;

			auto right = this->face_list[i].getVertex(this->face_list[i].getNumVertices() - 2);
			auto left = this->face_list[i].getVertex(this->face_list[i].getNumVertices() - 1);
			auto center = (right + left) / 2;

			auto feature = center + rotate_direction;
			int x = feature.x;
			int y = feature.y;
			if (feature.z > -30 && feature.z < 30) {

				if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

					this->face_list[i].addVertex(right + rotate_direction);
					this->face_list[i].addVertex(left + rotate_direction);

					this->frame_list[i].addVertex(right + rotate_direction);
					this->frame_list[i].addVertex(left + rotate_direction);

					break;
				}
			}
		}

		if (this->face_list[i].getNumVertices() > 30) {

			this->face_list[i].removeVertex(0);
			this->face_list[i].removeVertex(1);
		}
		else {

			int index = this->face_list[i].getNumVertices() - 1;
			this->face_list[i].addIndex(index); this->face_list[i].addIndex(index - 2); this->face_list[i].addIndex(index - 3);
			this->face_list[i].addIndex(index); this->face_list[i].addIndex(index - 1); this->face_list[i].addIndex(index - 3);
		}

		if (this->frame_list[i].getNumVertices() > 30) {

			this->frame_list[i].removeVertex(0);
			this->frame_list[i].removeVertex(1);
		}
		else {

			int index = this->frame_list[i].getNumVertices() - 1;
			this->frame_list[i].addIndex(index); this->frame_list[i].addIndex(index - 2);
			this->frame_list[i].addIndex(index - 1); this->frame_list[i].addIndex(index - 3);

			if (index == 29) {

				this->frame_list[i].addIndex(28);
				this->frame_list[i].addIndex(29);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateZ(45);

	if (ofGetFrameNum() % 480 > 120 && ofGetFrameNum() % 480 < 240) {

		ofRotateY(ofGetFrameNum() * 3);
	}
	else if(ofGetFrameNum() % 480 > 360) {

		ofRotateX(ofGetFrameNum() * 3);
	}

	ofTranslate(ofGetWidth() * -0.5, ofGetHeight() * -0.5);

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

		ofSetColor(this->color_list[i]);
		this->face_list[i].draw();

		ofSetColor(139);
		this->frame_list[i].drawWireframe();
	}

	this->cam.end();
}

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

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(0.5);

ofEnableDepthTest();

this->fbo.allocate(ofGetWidth(), ofGetHeight());

this->fbo.begin();

ofClear(0);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-bold.ttf", 280, true, true, true);

string word = "NFT";

font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 + font.stringHeight(word) - 140);

this->fbo.end();

this->fbo.readToPixels(this->pixels);

ofColor color;

vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 };

vector<ofColor> base_color_list;

for (auto hex : hex_list) {

color.setHex(hex);

base_color_list.push_back(color);

}

for (int i = 0; i < 1000; i++) {

ofMesh mesh, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

glm::vec3 base;

while (true) {

int x = ofRandom(ofGetWidth());

int y = ofRandom(ofGetHeight());

if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

base = glm::vec3(x, y, ofRandom(-30, 30));

break;

}

switch ((int)ofRandom(3)) {

case 0:

mesh.addVertex(base + glm::vec3(3, 0, 0));

mesh.addVertex(base + glm::vec3(-3, 0, 0));

frame.addVertex(base + glm::vec3(3, 0, 0));

frame.addVertex(base + glm::vec3(-3, 0, 0));

break;

case 1:

mesh.addVertex(base + glm::vec3(0, 3, 0));

mesh.addVertex(base + glm::vec3(0, -3, 0));

frame.addVertex(base + glm::vec3(0, 3, 0));

frame.addVertex(base + glm::vec3(0, -3, 0));

break;

case 2:

mesh.addVertex(base + glm::vec3(0, 0, 3));

mesh.addVertex(base + glm::vec3(0, 0, -3));

frame.addVertex(base + glm::vec3(0, 0, 3));

frame.addVertex(base + glm::vec3(0, 0, -3));

break;

}

frame.addIndex(0);

frame.addIndex(1);

this->face_list.push_back(mesh);

this->frame_list.push_back(frame);

auto direction = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));

direction = glm::normalize(direction) * 3;

this->direction_list.push_back(direction);

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

this->noise_seed_list.push_back(noise_seed);

this->noise_step_list.push_back(0.f);

ofColor color;

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

this->color_list.push_back(color);

}

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

void ofApp::update() {

for (int i = this->face_list.size() - 1; i > -1; i--) {

while (true) {

this->noise_step_list[i] += 0.005;

auto angle_x = ofMap(ofNoise(this->noise_seed_list[i].x, this->noise_step_list[i]), 0, 1, -PI, PI);

auto angle_y = ofMap(ofNoise(this->noise_seed_list[i].y, this->noise_step_list[i]), 0, 1, -PI, PI);

auto angle_z = ofMap(ofNoise(this->noise_seed_list[i].z, this->noise_step_list[i]), 0, 1, -PI, PI);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

glm::vec3 rotate_direction = glm::vec4(this->direction_list[i], 0) * rotation_z * rotation_y * rotation_x;

auto right = this->face_list[i].getVertex(this->face_list[i].getNumVertices() - 2);

auto left = this->face_list[i].getVertex(this->face_list[i].getNumVertices() - 1);

auto center = (right + left) / 2;

auto feature = center + rotate_direction;

int x = feature.x;

int y = feature.y;

if (feature.z > -30 && feature.z < 30) {

if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

this->face_list[i].addVertex(right + rotate_direction);

this->face_list[i].addVertex(left + rotate_direction);

this->frame_list[i].addVertex(right + rotate_direction);

this->frame_list[i].addVertex(left + rotate_direction);

break;

}

if (this->face_list[i].getNumVertices() > 30) {

this->face_list[i].removeVertex(0);

this->face_list[i].removeVertex(1);

}

else {

int index = this->face_list[i].getNumVertices() - 1;

this->face_list[i].addIndex(index); this->face_list[i].addIndex(index - 2); this->face_list[i].addIndex(index - 3);

this->face_list[i].addIndex(index); this->face_list[i].addIndex(index - 1); this->face_list[i].addIndex(index - 3);

}

if (this->frame_list[i].getNumVertices() > 30) {

this->frame_list[i].removeVertex(0);

this->frame_list[i].removeVertex(1);

}

else {

int index = this->frame_list[i].getNumVertices() - 1;

this->frame_list[i].addIndex(index); this->frame_list[i].addIndex(index - 2);

this->frame_list[i].addIndex(index - 1); this->frame_list[i].addIndex(index - 3);

if (index == 29) {

this->frame_list[i].addIndex(28);

this->frame_list[i].addIndex(29);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateZ(45);

if (ofGetFrameNum() % 480 > 120 && ofGetFrameNum() % 480 < 240) {

ofRotateY(ofGetFrameNum() * 3);

}

else if(ofGetFrameNum() % 480 > 360) {

ofRotateX(ofGetFrameNum() * 3);

}

ofTranslate(ofGetWidth() * -0.5, ofGetHeight() * -0.5);

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

ofSetColor(this->color_list[i]);

this->face_list[i].draw();

ofSetColor(139);

this->frame_list[i].drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211003

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年10月2日

Partially rotate the two movies. Draw by openFrameworks

[ Video ]

[ About ]
世界一かわいい猫が同時に楽しめます。

You can enjoy the world’s cutest cat at the same time.

[ Source ]

#pragma once
#include "ofMain.h"
#include "opencv2/opencv.hpp"

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;

	cv::VideoCapture cap_1, cap_2;
	cv::Size cap_size;
	int number_of_frames_1, number_of_frames_2;
	vector<cv::Mat> frame_list_1, frame_list_2;

	float rect_size;
	vector<cv::Mat> rect_frames;
	vector<unique_ptr<ofImage>> rect_images;
	vector<cv::Rect> cv_rects;
};

#pragma once

#include "ofMain.h"

#include "opencv2/opencv.hpp"

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;

cv::VideoCapture cap_1, cap_2;

cv::Size cap_size;

int number_of_frames_1, number_of_frames_2;

vector<cv::Mat> frame_list_1, frame_list_2;

float rect_size;

vector<cv::Mat> rect_frames;

vector<unique_ptr<ofImage>> rect_images;

vector<cv::Rect> cv_rects;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();
	ofDisableArbTex();

	this->cap_1.open("D:\\MP4\\VN20210917_143130.mp4");
	this->cap_size = cv::Size(640, 360);

	this->rect_size = 40;
	for (int x = 0; x < this->cap_size.width; x += this->rect_size) {

		for (int y = 0; y < this->cap_size.height; y += this->rect_size) {

			auto image = make_unique<ofImage>();
			image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);
			cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0);
			cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size);

			this->rect_images.push_back(move(image));
			this->cv_rects.push_back(rect);
			this->rect_frames.push_back(frame);
		}
	}

	this->number_of_frames_1 = this->cap_1.get(cv::CAP_PROP_FRAME_COUNT);
	for (int i = 0; i < this->number_of_frames_1; i++) {

		cv::Mat src, tmp;
		this->cap_1 >> src;
		if (src.empty()) {

			return;
		}

		cv::resize(src, tmp, this->cap_size);
		cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

		this->frame_list_1.push_back(tmp);
	}

	this->cap_2.open("D:\\MP4\\MOV_0324.mp4");
	this->number_of_frames_2 = this->cap_2.get(cv::CAP_PROP_FRAME_COUNT);
	for (int i = 0; i < this->number_of_frames_2; i++) {

		cv::Mat src, tmp;
		this->cap_2 >> src;
		if (src.empty()) {

			return;
		}

		cv::resize(src, tmp, this->cap_size);
		cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

		this->frame_list_2.push_back(tmp);
	}
}

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

}

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

	this->cam.begin();
	ofTranslate(this->cap_size.width * -0.5 + 20, this->cap_size.height * -0.5 - 20, 0);

	for (int i = 0; i < this->rect_frames.size(); i += 1) {

		ofPushMatrix();
		ofTranslate(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, 0);

		float noise_value = ofNoise(this->cv_rects[i].x * 0.0025, this->cv_rects[i].y * 0.0025, ofGetFrameNum() * 0.008);
		float deg = 0;
		if (noise_value <= 0.45) { deg = 0; }
		if (noise_value > 0.45 && noise_value < 0.55) { deg = ofMap(noise_value, 0.45, 0.55, 0, 180); }
		if (noise_value >= 0.55) { deg = 180; }
		
		ofRotateY(deg);

		int frame_index = ofGetFrameNum() % this->number_of_frames_1;

		cv::Mat tmp_box_image_1(this->frame_list_1[frame_index], this->cv_rects[i]);
		tmp_box_image_1.copyTo(this->rect_frames[i]);

		this->rect_images[i]->update();
		this->rect_images[i]->getTexture().bind();
		ofSetColor(255);
		ofFill();
		ofDrawBox(glm::vec3(0, 0, 1), this->rect_size, this->rect_size, 1);
		this->rect_images[i]->unbind();

		ofSetColor(39);
		ofNoFill();
		ofDrawBox(glm::vec3(0, 0, 1), this->rect_size, this->rect_size, 1);

		ofPopMatrix();
	}

	for (int i = 0; i < this->rect_frames.size(); i += 1){

		ofPushMatrix();
		ofTranslate(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, 0);

		float noise_value = ofNoise(this->cv_rects[i].x * 0.0025, this->cv_rects[i].y * 0.0025, ofGetFrameNum() * 0.008);
		float deg = 0;
		if (noise_value <= 0.45) { deg = 0; }
		if (noise_value > 0.45 && noise_value < 0.55) { deg = ofMap(noise_value, 0.45, 0.55, 0, 180); }
		if (noise_value >= 0.55) { deg = 180; }

		ofRotateY(deg);

		int frame_index = ofGetFrameNum() % this->number_of_frames_2;

		cv::Mat tmp_box_image_2(this->frame_list_2[frame_index], this->cv_rects[i]);
		tmp_box_image_2.copyTo(this->rect_frames[i]);

		this->rect_images[i]->update();
		this->rect_images[i]->getTexture().bind();
		ofSetColor(255);
		ofFill();
		ofDrawBox(glm::vec3(0, 0, -1), this->rect_size, this->rect_size, 1);
		this->rect_images[i]->unbind();

		ofSetColor(39);
		ofNoFill();
		ofDrawBox(glm::vec3(0, 0, -1), this->rect_size, this->rect_size, 1);

		ofPopMatrix();
	}

	this->cam.end();
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

ofDisableArbTex();

this->cap_1.open("D:\\MP4\\VN20210917_143130.mp4");

this->cap_size = cv::Size(640, 360);

this->rect_size = 40;

for (int x = 0; x < this->cap_size.width; x += this->rect_size) {

for (int y = 0; y < this->cap_size.height; y += this->rect_size) {

auto image = make_unique<ofImage>();

image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);

cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0);

cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size);

this->rect_images.push_back(move(image));

this->cv_rects.push_back(rect);

this->rect_frames.push_back(frame);

}

this->number_of_frames_1 = this->cap_1.get(cv::CAP_PROP_FRAME_COUNT);

for (int i = 0; i < this->number_of_frames_1; i++) {

cv::Mat src, tmp;

this->cap_1 >> src;

if (src.empty()) {

return;

}

cv::resize(src, tmp, this->cap_size);

cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

this->frame_list_1.push_back(tmp);

}

this->cap_2.open("D:\\MP4\\MOV_0324.mp4");

this->number_of_frames_2 = this->cap_2.get(cv::CAP_PROP_FRAME_COUNT);

for (int i = 0; i < this->number_of_frames_2; i++) {

cv::Mat src, tmp;

this->cap_2 >> src;

if (src.empty()) {

return;

}

cv::resize(src, tmp, this->cap_size);

cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

this->frame_list_2.push_back(tmp);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(this->cap_size.width * -0.5 + 20, this->cap_size.height * -0.5 - 20, 0);

for (int i = 0; i < this->rect_frames.size(); i += 1) {

ofPushMatrix();

ofTranslate(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, 0);

float noise_value = ofNoise(this->cv_rects[i].x * 0.0025, this->cv_rects[i].y * 0.0025, ofGetFrameNum() * 0.008);

float deg = 0;

if (noise_value <= 0.45) { deg = 0; }

if (noise_value > 0.45 && noise_value < 0.55) { deg = ofMap(noise_value, 0.45, 0.55, 0, 180); }

if (noise_value >= 0.55) { deg = 180; }

ofRotateY(deg);

int frame_index = ofGetFrameNum() % this->number_of_frames_1;

cv::Mat tmp_box_image_1(this->frame_list_1[frame_index], this->cv_rects[i]);

tmp_box_image_1.copyTo(this->rect_frames[i]);

this->rect_images[i]->update();

this->rect_images[i]->getTexture().bind();

ofSetColor(255);

ofFill();

ofDrawBox(glm::vec3(0, 0, 1), this->rect_size, this->rect_size, 1);

this->rect_images[i]->unbind();

ofSetColor(39);

ofNoFill();

ofDrawBox(glm::vec3(0, 0, 1), this->rect_size, this->rect_size, 1);

ofPopMatrix();

}

for (int i = 0; i < this->rect_frames.size(); i += 1){

ofPushMatrix();

ofTranslate(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, 0);

float noise_value = ofNoise(this->cv_rects[i].x * 0.0025, this->cv_rects[i].y * 0.0025, ofGetFrameNum() * 0.008);

float deg = 0;

if (noise_value <= 0.45) { deg = 0; }

if (noise_value > 0.45 && noise_value < 0.55) { deg = ofMap(noise_value, 0.45, 0.55, 0, 180); }

if (noise_value >= 0.55) { deg = 180; }

ofRotateY(deg);

int frame_index = ofGetFrameNum() % this->number_of_frames_2;

cv::Mat tmp_box_image_2(this->frame_list_2[frame_index], this->cv_rects[i]);

tmp_box_image_2.copyTo(this->rect_frames[i]);

this->rect_images[i]->update();

this->rect_images[i]->getTexture().bind();

ofSetColor(255);

ofFill();

ofDrawBox(glm::vec3(0, 0, -1), this->rect_size, this->rect_size, 1);

this->rect_images[i]->unbind();

ofSetColor(39);

ofNoFill();

ofDrawBox(glm::vec3(0, 0, -1), this->rect_size, this->rect_size, 1);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211002

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年10月1日2021年10月1日

Pair of faucets. Draw by openFrameworks

[ Video ]

[ About ]
位置と色はフレーム番号から計算して、対になる方には反対の値とする。

The position and color are calculated from the frame number, and the opposite for the pair.

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofxBox2d.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;

	ofxBox2d box2d;
	vector<shared_ptr<ofxBox2dCircle>> circle_list;
	vector<float> radius_list;
	vector<float> life_list;
	vector<ofColor> color_list;
};

#pragma once

#include "ofMain.h"

#include "ofxBox2d.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;

ofxBox2d box2d;

vector<shared_ptr<ofxBox2dCircle>> circle_list;

vector<float> radius_list;

vector<float> life_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetCircleResolution(60);

	this->box2d.init();
	this->box2d.setGravity(0, 50);
	this->box2d.createBounds();
	this->box2d.setFPS(60);
	this->box2d.registerGrabbing();
}

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

	for (int i = this->circle_list.size() - 1; i > -1; i--) {

		this->life_list[i] -= 1;

		if (this->life_list[i] < 0) {

			this->circle_list.erase(this->circle_list.begin() + i);
			this->radius_list.erase(this->radius_list.begin() + i);
			this->life_list.erase(this->life_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

	for (int i = 0; i < 2; i++) {

		int deg = ofMap(ofNoise(ofGetFrameNum() * 0.01), 0, 1, 0, 720) + i * 180;
		auto location = glm::vec2(ofGetWidth() * 0.5 + 150 * cos(deg * DEG_TO_RAD), 200 + 150 * sin(deg * DEG_TO_RAD));
		auto radius = 10;
		auto circle = make_shared<ofxBox2dCircle>();
		circle->setPhysics(0.5, 0.03, 0.1);
		circle->setup(this->box2d.getWorld(), location.x, location.y, radius);
		this->circle_list.push_back(circle);
		this->radius_list.push_back(radius);
		this->life_list.push_back(200);

		ofColor color;
		color.setHsb((ofGetFrameNum() + i * 128) % 255, 130, 255);
		this->color_list.push_back(color);
	}

	this->box2d.update();
}

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

	this->cam.begin();
	ofRotateX(180);
	ofTranslate(ofGetWidth() * -0.5, ofGetHeight() * -0.5);

	ofDrawCircle(glm::vec2(ofGetWidth() * 0.5, 200), 140);
	ofDrawCircle(glm::vec2(ofGetWidth() * 0.5, 200), 160);

	ofSetLineWidth(1);
	for (int i = 0; i < this->circle_list.size(); i++) {

		ofFill();
		ofSetColor(this->color_list[i]);
		ofDrawCircle(glm::vec2(this->circle_list[i]->getPosition()), this->radius_list[i]);

		ofNoFill();
		ofSetColor(39);
		ofDrawCircle(glm::vec2(this->circle_list[i]->getPosition()), this->radius_list[i]);

	}

	ofSetLineWidth(3);
	ofSetColor(39);
	ofDrawRectangle(0, 0, 720, 720);

	this->cam.end();
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetCircleResolution(60);

this->box2d.init();

this->box2d.setGravity(0, 50);

this->box2d.createBounds();

this->box2d.setFPS(60);

this->box2d.registerGrabbing();

}

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

void ofApp::update() {

for (int i = this->circle_list.size() - 1; i > -1; i--) {

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

this->circle_list.erase(this->circle_list.begin() + i);

this->radius_list.erase(this->radius_list.begin() + i);

this->life_list.erase(this->life_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

}

for (int i = 0; i < 2; i++) {

int deg = ofMap(ofNoise(ofGetFrameNum() * 0.01), 0, 1, 0, 720) + i * 180;

auto location = glm::vec2(ofGetWidth() * 0.5 + 150 * cos(deg * DEG_TO_RAD), 200 + 150 * sin(deg * DEG_TO_RAD));

auto radius = 10;

auto circle = make_shared<ofxBox2dCircle>();

circle->setPhysics(0.5, 0.03, 0.1);

circle->setup(this->box2d.getWorld(), location.x, location.y, radius);

this->circle_list.push_back(circle);

this->radius_list.push_back(radius);

this->life_list.push_back(200);

ofColor color;

color.setHsb((ofGetFrameNum() + i * 128) % 255, 130, 255);

this->color_list.push_back(color);

}

this->box2d.update();

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofTranslate(ofGetWidth() * -0.5, ofGetHeight() * -0.5);

ofDrawCircle(glm::vec2(ofGetWidth() * 0.5, 200), 140);

ofDrawCircle(glm::vec2(ofGetWidth() * 0.5, 200), 160);

ofSetLineWidth(1);

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

ofFill();

ofSetColor(this->color_list[i]);

ofDrawCircle(glm::vec2(this->circle_list[i]->getPosition()), this->radius_list[i]);

ofNoFill();

ofSetColor(39);

ofDrawCircle(glm::vec2(this->circle_list[i]->getPosition()), this->radius_list[i]);

}

ofSetLineWidth(3);

ofSetColor(39);

ofDrawRectangle(0, 0, 720, 720);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211001

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年4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
29	30