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@davepape
davepape / triangles3.cs
Last active Oct 18, 2018
Create a mesh of 2 triangles, with texture coordinates
View triangles3.cs
// Creating Mesh data in Unity
// This script should be attached to a GameObject that has a MeshFilter and MeshRenderer.
// The script will replace the MeshFilter's geometry by 2 triangles with texture coordinates.
// The vertex coords & tex coords are public variables so they can be manipulated from the Unity inspector.
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class triangles3 : MonoBehaviour {
@davepape
davepape / waves.cs
Created Oct 17, 2018
Create simple animated waves
View waves.cs
// Creates a Unity Mesh that contains a wavy 2D surface, then animates that surface.
// Based on grid.cs (except now in the X/Z plane), gives each vertex a different height using Sin & Cos.
// Should be attached to a GameObject that already has a MeshFilter component.
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class waves : MonoBehaviour {
public int numRows=10, numCols=10;
@davepape
davepape / grid.cs
Created Oct 17, 2018
Create a Unity mesh containing a simple 2D grid of triangles
View grid.cs
// Create a mesh of triangles in a 2D grid
// Attach this script to a GameObject that already has a MeshFilter - it will use that MeshFilter, replacing its existing mesh data
// Creates a numCols x numRows grid of vertices in the X/Y plane. Then for each square cell in the grid it creates 2 triangles
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class grid : MonoBehaviour {
public int numRows=10, numCols=10;
@davepape
davepape / mouseTriangles.cs
Last active Oct 11, 2018
Make a trail of triangles that follow the mouse
View mouseTriangles.cs
// Draw a set of triangles that follow the mouse.
// This script should be attached to a GameObject that has a MeshRenderer (with Material).
// The script will create a MeshFilter and fill it with triangles. On each frame, one triangle will be changed to appear at the mouse position. It cycles through all the triangles, to create a tail of fixed length.
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class mouseTriangles : MonoBehaviour {
public int numTriangles=1;
@davepape
davepape / triangles2.cs
Created Oct 11, 2018
Create a Unity Mesh with 2 triangles
View triangles2.cs
// Creating Mesh data in Unity
// This script should be attached to an empty GameObject. It requires vertexColor.shader (https://gist.github.com/davepape/0dee3b1550a1f4159bc173e1b32dbe0c)
// On startup, it will create a MeshFilter containing 2 triangles, and apply a Material.
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class triangles2 : MonoBehaviour {
void Start ()
@davepape
davepape / vertexColor.shader
Created Oct 11, 2018
minimal Unity shader, to use vertex colors without lighting or texture
View vertexColor.shader
// taken from http://answers.unity3d.com/questions/391561/create-a-mesh-and-color-cubes.html
Shader "Custom/Vertex Colored"
{
Properties
{
}
SubShader
{
Pass
{
@davepape
davepape / triangles.cs
Last active Oct 11, 2018
Create a Unity mesh of 2 triangles, in C#
View triangles.cs
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class triangles : MonoBehaviour {
void Start ()
{
gameObject.AddComponent<MeshFilter>();
gameObject.AddComponent<MeshRenderer>();
View circle.py
# circle.py
# by Dave Pape, for DMS 423
#
# draws a circle, where the points for the vertex list are computed at run-time
from math import *
from pyglet.gl import *
window = pyglet.window.Window()
View statemachine.cs
// Example of a simple state machine.
// The script has 3 states for different actions it might be performing. It transitions between the states based on user input.
// State "start" does nothing; state "slowcube" makes the object named "cube" slow down; state "spiralsphere" makes the sphere object spiral outward.
// It can transition from "start" to "slowcube" OR "spiralsphere" depending on what button is hit.
// After that, it can transition from "slowcube" to "spiralsphere" or from "spiralsphere" to "slowcube" when fire1 is hit.
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class statemachine : MonoBehaviour {
View mcp.cs
// Unity3d example of using Find() and GetComponent() to control one script from another script
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class mcp : MonoBehaviour {
void Start () {
}
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