114 lines
4.3 KiB
Swift
114 lines
4.3 KiB
Swift
//
|
|
/**
|
|
* Copyright (c) 2018 Razeware LLC
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* Notwithstanding the foregoing, you may not use, copy, modify, merge, publish,
|
|
* distribute, sublicense, create a derivative work, and/or sell copies of the
|
|
* Software in any work that is designed, intended, or marketed for pedagogical or
|
|
* instructional purposes related to programming, coding, application development,
|
|
* or information technology. Permission for such use, copying, modification,
|
|
* merger, publication, distribution, sublicensing, creation of derivative works,
|
|
* or sale is expressly withheld.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
|
|
import Foundation
|
|
|
|
class GrassScene: Scene {
|
|
let ground = Model(name: "ground.obj")
|
|
let grassSize: Float = 5
|
|
|
|
override func setupScene() {
|
|
skybox = Skybox(textureName: nil)
|
|
ground.tiling = 16
|
|
add(node: ground)
|
|
|
|
setupGrass(instanceCount: 50000, width: 10, depth: 10)
|
|
setupTrees(instanceCount: 20)
|
|
setupRocks(instanceCount: 20)
|
|
|
|
inputController.player = camera
|
|
camera.position.z = -1
|
|
camera.position.y = 1
|
|
}
|
|
|
|
func setupGrass(instanceCount: Int, width: Float, depth: Float) {
|
|
let grassCount = 7
|
|
var textureNames: [String] = []
|
|
for i in 1...grassCount {
|
|
textureNames.append("grass" + String(format: "%02d", i))
|
|
}
|
|
let morphCount = 4
|
|
var morphNames: [String] = []
|
|
for i in 1...morphCount {
|
|
morphNames.append("grass" + String(format: "%02d", i))
|
|
}
|
|
|
|
let grass = Nature(name: "grass", instanceCount: instanceCount,
|
|
textureNames: textureNames,
|
|
morphTargetNames: morphNames)
|
|
for i in 0..<instanceCount {
|
|
var transform = Transform()
|
|
transform.position.x = .random(in: -width..<width)
|
|
transform.position.z = .random(in: 0..<depth)
|
|
transform.rotation.y = .random(in: -Float.pi..<Float.pi)
|
|
let textureId = Int.random(in: 0..<textureNames.count)
|
|
let morphId = Int.random(in: 0..<morphCount)
|
|
grass.updateBuffer(instance: i, transform: transform,
|
|
textureID: textureId, morphTargetID: morphId)
|
|
}
|
|
add(node: grass)
|
|
}
|
|
|
|
|
|
func setupTrees(instanceCount: Int) {
|
|
let tree = Model(name: "tree.obj", instanceCount: instanceCount)
|
|
add(node: tree)
|
|
for i in 0..<instanceCount {
|
|
var transform = Transform()
|
|
transform.position.x = .random(in: -15..<15)
|
|
transform.position.z = .random(in: 10..<15)
|
|
transform.rotation.y = .random(in: -Float.pi..<Float.pi)
|
|
tree.updateBuffer(instance: i, transform: transform)
|
|
}
|
|
}
|
|
|
|
func setupRocks(instanceCount: Int) {
|
|
let textureNames = ["rock1-color", "rock2-color", "rock3-color"]
|
|
let morphs = ["rock1", "rock2", "rock3"]
|
|
let rocks = Nature(name: "Rocks", instanceCount: instanceCount,
|
|
textureNames: textureNames,
|
|
morphTargetNames: morphs)
|
|
add(node: rocks)
|
|
for i in 0..<instanceCount {
|
|
var transform = Transform()
|
|
transform.position.x = .random(in: -10..<10)
|
|
transform.position.z = .random(in: 5..<10)
|
|
transform.rotation.y = .random(in: -Float.pi..<Float.pi)
|
|
let textureId = Int.random(in: 0..<textureNames.count)
|
|
let morphId = Int.random(in: 0..<morphs.count)
|
|
rocks.updateBuffer(instance: i, transform: transform,
|
|
textureID: textureId, morphTargetID: morphId)
|
|
|
|
}
|
|
}
|
|
}
|